Choose the best answer A, B, C or D to complete the sentence. Question 12: The polluted water__________ in the death of the fish. A: leads B: causes C: results D: makes 15 Choose the best answer A, B, C or D to complete the sentence. Question 10: Too much use of electric lights in cities may cause ___________ pollution. A: visual B: water C: thermal D: lightChoose the underlined part A, B, C or D that needs correcting. Picture 11 A: A B: B C: C D: D 13 Choose the best answer A, B, C or D to complete the sentence. Question 9: If I _______ you, I ______ volunteer to clean the beach. A: am/ would B: were/ would C: was/ will D: am/ willChoose the sentence A, B, C or D that best combines the given sentences. Question 24: There are so many billboards in our city. People cannot enjoy the view. A: If there were many billboards in our city, people could enjoy the view. B: If there were not so many billboards in our city, people could enjoy the view. C: If there were not so many billboards in our city, people couldn’t enjoy the view. D: If there are not so many billboards in our city, people can enjoy the view.Choose the word whose stressed pattern is pronounced differently from the others. A: pollute B: effect C: litter D: affect 10 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Nam: How about organizing a Clean Day for our school? Huong: _________. A: Good idea! How should we start? B: Oh yeah! I can’t believe that. C: No. I had no idea about that. D: No problem. We can do.Choose the word whose underlined part is pronounced differently from the others. A: bread B: measure C: pleasure D: untreated 8 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 20: Environmentalists have used the Earth Day to ________. A: get people around the world to play together B: carry their research C: ban people from using energy sources D: educate people about their roles Choose the best answer A, B, C or D to complete the sentence. Question 7: I think the waste from the factory has ___________ the lake. A: polluted B: damage C: pollution D: damaged 6 Choose the sentence A, B, C or D that best combines the given sentences. Question 25: We shouldn’t swim in this lake. Water is highly polluted. A: We shouldn’t swim in this lake because water is highly polluted. B: We should swim in this lake because water is highly polluted. C: We shouldn’t swim in this lake so that water is highly polluted. D: We shouldn’t swim in this lake although water is highly polluteChoose the sentence A, B, C or D that is closest in meaning to the given sentence. Question 22: I don’t have enough money, so I don’t buy seafood. A: If I have enough money, I will buy seafood. B: If I had had enough money, I would buy seafood. C: If I had enough money, I would buy seafood. D: If I didn’t have enough money, I wouldn’t buy seafood.Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 19: The word “their” in the second paragraph refers to ______. A: environmentalists’ B: politicians’ C: people’s D: Dr. Nelson’s