1. John is clever, ……………. . A. his borther isn’t B. but his brother isn’t C. his brother aren’t D. his brother is not 2. People want to live in the city. However, ……………… . A. the city was very expensive B. the city is very expensive C. city is very expensive D. the city are very expensive 3. It isn’t very hot, ……….. . A. so I turn off air conditioner. B. so I turn off the air conditioner. C. so I turns off air the conditioner. D. so I turn off the conditioner. 4. The weather is very cold, …………. . A. but he prefers to swim in river. B. but he prefers to swim in the river. C. but he prefer to swim the in river. D. but he prefers to swim the river. THCS LÝ TỰ TRỌNG Unit 7: Saving energy-homework TEACHER TRỊNH THỊ THÙY DUNG ENGLISH 9 5. Would you like ………………….. ? A. to go by a car or a bus B. go by car or by bus C. to go by car or bus D. going by car or by bus 6. John missed the bus. …………………. . A. Therefore, he was late for interview B. Therefore, he is late for interview C. Therefore, he was late interview D. Therefore, he was late for the interview 7. Mr. Ba is very old. …………………. . A. However, he have to work hard eight hours a day B. However, he has to work hard eight hour a day C. However, he has to work hard eight hours a day D. However, he has work hard eight hours a day 8. He suggested ……………….. . A. going to the library B. goes to the library C. go to the library D. going to library 9. He suggests …………………. . A. that we should save fresh water B. we should save fresh water C. we should saves fresh water D. that we should fresh water 10. The wind power can ……………… . A. used to generate electricity B. be used to generate electricity C. be used generate electricity D. be used to electricity