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I. Put the words in brackets into the right forms to complete the sentences. 1. Many fish in the lake near my house have died because of the ………………… water. (pollute) 2. My friend and I are going to give a presentation about our …………………… problems. (environment) 3. Too much use of …………………… lights in cities may cause light pollution. (electricity) 4. Nowadays, people use too much herbicide so many animals don’t have enough food and they become …………………… (sickness) 5. Oil spills from ships in oceans and rivers lead to the …………………… of many aquatic animals and plants. (die) II. Choose the correct option A, B, C or D to complete the sentences. 1. ……………………water is one of the factors that have driven many species to the verge of extinction. A. Contaminating B. contiminate C. Contamination D. contaminated 2. It’s recommended that we become more concerned …………………… the environment around us. A. of B. to C. with D. about 3.The ……………………use of pesticides and herbicides has led to contamination of groundwater in some areas. A. widespread B. occasional C. general D. experimental 4. Air ……………………, together with littering, is causing many problems in our cities today. A. pollute B. pollution C. polluting D. polluted 5. Many people in this city have received medical …………………… for the disease. A. support B. treatment C. help D. assistance 6.The reduction in air pollution was …………………… last year. A. dramma B. dramatise C. dramatically D. dramatic 7. In many poor nations, there are frequent outbreaks of cholera and other diseases because people there untreated water. A. drink B. to drink C. drinking D. drank 8. The road in front of my office is always …………………… when it rains heavily. A. to flood B. flooding C. flood D. flooded 9. Too much carbon dioxide in the atmosphere causes global ………………… A. warm B. warming C. warmly D. warmth 10. It won’t be possible to save the Earth if we don’t take ……………………right now. A. action B. job C. work D. duty III. Fill each blank with a word/phrase in the box. substance, light pollution, Earth’s surface, water ; air pollution temperature dumping poison, surprised, waste, acid, poisonous, 1. If this factory continues ……………………into the lake, all the fish and other aquatic animals will die. 2. I think there is……………………around here because all trees and plants turn yellow and dry. 3. When thermal pollution happens, the……………………in rivers, lakes and oceans changes. 4. Soil pollution happens when people destroy the” … 5. Poison is a …………………… that can make people or animals ill or kill them if they eat or drink it. 6. They are all ……………………to see that all the fish they grow on their farm are dead. 7. You can see stars at night in the countryside because there isn’t any ……………………there. 8. Many households around the West Lake dump……………………into it so the water is polluted. 9. The vegetable price is increasing because the ……………………rain has caused damage to almost all vegetables in this area. 10. The……………………chemical waste in this factory is dumped into the river so its water now becomes almost black.

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Các bạn ơi giải giúp mình bài này với, mình phải nộp bài sớm nên các bạn làm đúng giúp mình nhé. Mình cảm ơn 1. All the aquatic animals will die if people _____ dumping sewage into the lake. A. will stop B. don't stop C. wouldn't stop D. stop 2. Canada ____________ up of 10 provinces and 3 territories. A. is making B. is made makes made 3. It’s only my first week in Wales, and I _____ so many interesting things already. A. see B. am seeing C. saw D. have seen 4. Aquatic life suffers or dies ______ thermal pollution. A. due to B. thanks to C. in spite of D. despite 5. I can’t hear your voice __________ I’m wearing an earplug. 1 điểm A. although B. due C. however D. because 6. His grandfather _____ him __________ hard when he was small. A. made - study B. makes - to study C. making - studying D. made - studied 7. This picture __________ the contamination of ground water. A. illustrate B. illustrating C. illustrates D. illustrated 8. Global warming ____ if there ____ too much carbon dioxide in the atmosphere. A. would happen – wasn’t B. will happen - were C. wouldn't happen - weren't D. won't happen - was 9. The temperature of water increases; ____, many fish in the river die. A. so B. otherwise C. therefore D. nevertheless 10. If we dump a plastic into the ground, it ________ a long time to disappear. A. will take B. take C. took D. takes 11. At present, the National Cherry Blossom Festival ____________ in Washington D.C. to celebrate spring’s arrival. A. occur B. occurs C. is occuring D. has occured 12. Recently, many places in New Zealand _____ called with two names – one English, one Maori A. are B. is C. has been D. have been 13. What would you do if a factory in your neighborhood ______untreated water into the river? A. dump B. dumped C. dumping D. dumps 14. Canada ___________ the longest land border in the world with the United States. A. shares B. has been sharing C. is sharing D. has shared 15. If I _____ the president, I ______ all the factories out of the city. A. was - will remove B. am - will remove C. am - would remove D. were - would remove 16. The train __________ the railway station at 8:00 a.m. every morning. A. leave B. leaving C. will leave D. leaves 17. In Canada you should maintain eye contact while you __________ hands. A. shake B. have shaked C. shaked D. are shaking 18. Ireland ___________ the Eurovision Song Contest seven times. A. won B. wins C. has won D. is winning 19. ____ factories produce waste and pour it into rivers, many rivers and lakes are poisoned. A. Because of B. Although C. Since D. While 20. Since 1965, the maple tree with red leaves _____ the most well-known Canadian symbol. A. has become B. become C. became D. is becoming

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America is known as the land of opportunity. Thousands of people immigrate to the United States every year from different parts of the world to have access to these kinds of opportunities. This is what is known as "the American dream". One of the many reasons America is such a great country is the diversity you see all around. America is one big melting pot of citizens from different backgrounds. America is also home to many of the world's top colleges and universities. The California Institute of Technology is a top world-ranked college that focuses highly on science and engineering. It is located in the city of Pasadena. Harvard University is another top world-ranked college that you might be familiar with. The buildings at Harvard date all the way back to the year 1636, making Harvard the oldest university in the United States. It is located in the state of Massachusetts. University of California, Los Angeles, is another institute worthy of recognition. Located next to Hollywood, UCLA has distinguished itself as a prestigious and selective university due to the number of people who apply for admission throughout the United States. The universities mentioned are but a few of the many other excellent schools that make the United States so outstanding. 1.America is called the land of………… A. dream B. opportunity C. immigration 2. The word immigration in line 1 can be replaced by….. A. come into B. go out of C. travel 3. The California Institute of Technology……… A. ranks first in the world B. is a university focusing on natural sciences C. focuses on science and engineering 4. What is NOT true about Harvard? A. It was founded in 1636 B. It is the oldest university in the world C. It is located in Massachusetts 5. University of California, Los Angeles…….. A. is in Hollywood B. is different from other universities C. has a high number of applications Giúp mik vs, mik cần gấp lắm

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giúp em làm phần này em không biết làm Dùng từ gợi ý viết thành câu hoàn chỉnh 1. Thanh/ tall/ thin/ long/ straight/ hair ......................................................................................................... 2. His father/ generous/ friendly ......................................................................................................... 3. They/ going to/ have a meeting/ the weekend ......................................................................................................... 4. We/ must/not/ let/ children/ the kitchen/ because/ it/ dangerous place ......................................................................................................... 5. The Y&Y members/ going to/ take part/ recycling program/ save natural resources /and/ money/ the organization ......................................................................................................... 6. I/ a favor/ you help/ carry this bag? ......................................................................................................... 7. The town/ becoming/ beautiful ......................................................................................................... 8. My father/ used/ drive a car/ work/ now/ go/ bus ......................................................................................................... 9. I/ spend/ 2 hours/ day/ study English ......................................................................................................... 10. Alexander Graham Bell/ born/ Edinburgh/ March 3, 1847 .........................................................................................................

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Bài 1: Cho dạng đúng của động từ trong ngoặc. 1. They (come) …………….. back home after they (finish) ………………… their work. 2. She said that she ( meet) ……………………. Mr. Bean before. 3. Before he (go) …………………….. to bed, he (read) ………………………… a novel. 4. He told me he (not/wear) ………………………… such kind of clothes before. 5. When I came to the stadium, the match (start) …………………………………. 6. Before she (listen) ………………….. to music, she (do)……………………. homework. 7. Last night, Peter (go) ……….. to the supermarket before he (go) ………………… home. Bài 2: Viết lại câu sao cho nghĩa không đổi sử dụng từ gợi ý cho sẵn. 1. David had gone home before we arrived. - After ……………………………………………………………………………………. 2. We had lunch then we took a look around the shops. - Before …………………………………………………………………………………… 3. The light had gone out before we got out of the office. - When……………………………………………………………………………………. 4. After she had explained everything clearly, we started our work. - By the time ……………………………………………………………………………. 5. My father had watered all the plants in the garden by the time my mother came home. - Before …………………………………………………………………………… I. Put the verb in brackets in the Past Simple or Past Perfect: 6. Before she (watch) ………………….. TV, she (do)……………………. homework. 7. What (be) …………….. he when he (be) ………………. young? 8. After they (go) ………………………, I (sit) …………….. down and (rest) …………… 9. Yesterday, John (go) …………………. to the store before he (go) ………………… home. 10. She (win) ………………………. the gold medal in 1986. 11. Our teacher (tell) …………… us yesterday that he (visit) …………… England in 1970. 12. Alan (have)……….hardly(prepare)………..for dinner when her husband (go) ……..home 13. No sooner (have)…………….I (watch)……………. TV than the phone (ring)………… 14. Before I (watch) ……………… TV, I (do) ………………………….. my homework. 15. After I (wash)………………………….my clothes, I (sleep) …………………………… 16. “ It is the first time I have eaten sushi” , said Bill. → Bill said it (be) ……….. the first time he (eat) ……………….. sushi. 17. “ I broke my glasses yesterday”, said Lan. → Lan said that she (break) ………………………………… her glasses the day before. 18. I couldn’t attend the evening classes because I worked at night. → If I (not work) …………….. at night, I (attend) ………………….. the evening classes. 19. I didn’t have a laptop so I wish I (have) ………………………. a laptop. 20. You didn’t stay home. I would rather you (stay) …………….. home. 1. They (go) ……………..home after they (finish) ………………… their work. 2. She said that she (already, see) ……………………. Dr. Rice. 3. After taking a bath, he (go) ………………………….. to bed. 4. He told me he (not/eat) ………………………… such kind of food before. 5. When he came to the stadium, the match (already/ begin) ………………………………….

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giải dùm em em không biết làm Viết lại các câu sau sao cho nghĩa không đổi 1. "Can you carry these chairs into the house?" Mrs Lan asked me ........................................................................... 2. "Please give me your book?" He told me ....................................................................................... 3. You shouldn't make noise in class." The teacher said ............................................................................. 4. "Can you help Tam with his English pronunciation?" Mr Hung asked me .......................................................................... 5. My hobbies are playing sports and reading books I love ................................................................................................ 6. She was born on May 10th, 1996 Her birthday ..................................................................................... 7. Nga must wash the dishes everyday Nga has ........................................................................................... 8. We began to study English 4 years ago We have .......................................................................................... 9. No one in class is as tall as Tam Tam is the ........................................................................................ 10. Women often did the house work without the help of modern equipment in the past In the past women used

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