I. Choose the best option A, B, C or D to complete each sentence. 1. __________ the smart devices if you don’t use. A. Turn on B. Turn off C. Turn in D. Turn up 2. They ______________ in that company for ten years. A. work B. have worked C. worked D. has worked 3. My father suggests ____________ a trip to the countryside on Saturday. A. to have B. had C. having D. should have 4. He has never gone to school on Sunday, ___________? A. has he B. is he C. hasn’t he D. had he 5. If he _____________ soon, he will miss the train. A. doesn’t come B. comes C. didn’t come D. came 6. My father is very busy. ____________, he is always willing to give a hand with the housework. A. Despite B. Although C. However D. Therefore 7. We should protect the environment because it ___________ seriously now. A. is destroying B. being destroyed C. is destroy D. is being destroyed 8. This food is the worst I ___________ tasted. A. was B. have ever C. did D . I ever have 9. The cat ___________ Jacky bought yesterday was made in China. A. who B. whose C. where D. which 10. This is the first time I ______________ to the museum. A. have be taken B. have been taken C. was taken D. was taking 11. Hoa is interested in ____________ to the cinema on Sundays. A. going B. go C. to go D. to going 12. Kangaroos, which come _______________ Australia, have long tails. A. to B. in C. from D. for 13. My room _________________ since I came back from London. A. was repainted B. has repainted C. has been repainted D. have been repainted 14. Mike didn’t feel well so we gave him __________ to do than you A. fewer B. less work C. little work D. more work 15. Mrs. Johnson put salt into the bowl of sugar by mistake, ____________? A. doesn’t she B. did she C. does she D. didn’t she 16. He went to a seaside resort because he was keen on ______________. A. windsurf B. windsurfing C. to windsurf D. to windsurfing 17. The teacher told the boys to stop ______________. A. to make B. played C. playing D. being played 18. Mark Twain is a famous ______________. A. American writer B. American playwright C. English writer D. English playwright 19. He used _________ next to me in class. A. to sit B. sit C. to sitting D. to sat 20. Paster, whose __________ of a cure for a rabies made him __________ was a French scientist. A. discover/famous B. discovery/fame C. discovery/famous D. discovered/famous