Give the correct form of the words given in the brackets. Câu 25: People should choose the seafood responsibly to protect the .................sea animals. (danger) Câu 26: Water .........................Is necessary for hydropower stations. (conserve) Câu 27: The peasants depend on a good harvest for their............................ (exist) Câu 28: Thousands of hectares of forest are..............................each year. (destroy) Câu 29: Scientists are now researching new measures to prevent .......................levels from rising. (pollute) Read the following passage and then choose the word (A, B, C or D) that best completes each blank. There's much more water than land on the ....(30)... of the earth. The seas and oceans cover nearly four-fifth of the whole world, and only one-fifth of land. If you traveled over the earth in different directions, you would have to spend much more of your time ...(31)... on water than on roads or railways. We sometimes forget that for every mile of land there is four miles of water. There's so much water in the surface of our earth that we ....(32)... to use two words to describe. We use the word SEAS .....(33)... those parts of water surface which has only few hundreds of mile, the word OCEANS to describe the huge area of water which are thousands of miles wide and very deep. Câu 30: A. cover B. surface C. outer D. outside Câu 31: A. to move B. move C. moved D. moving Câu 32: A. must B. should C. have D. would Câu 33: A. describing B. describes C. describe D. to describe Change the sentences below into active voice: Câu 34: The tree is being planted in the garden by her father now. ……………………………………………………………………………………………………… Câu 35: A small house has just been built here by the builders. ……………………………………………………………………………………………………… Câu 36: The book was written by that famous author. ……………………………………………………………………………………………………… Câu 37: You will be helped by your teacher. ……………………………………………………………………………………………………… Rewrite the following sentences: Câu 38: My sister is studying geology. She finds it fascinating. My sister.............................................................................. Câu 39: I didn't have an umbrella with me, so I got wet. If........................................................................................................... Câu 40: People must not leave bicycles in the hall. Bicycles............................................................................................................ Câu 41: Although he's got an English name, he is in fact German. Despite............................................................................................... Plsss