III. Choose the best option to complete each sentence. 3pts 13. Sarah has to stay in bed for a few days _________ she is sick. A. because B. and C. but D. although 14. It’s very late. We suggest _________ a taxi to get to the airport. A. catch B. catching C. to catch D. caught 15. Environmental _________ is a serious problem facing mankind today. A. pollute B. polluted C. pollution D. polluting 16. Your brother passed the final exam, _________? A. does he B. doesn’t he C. did heD. didn’t he 17. Jennifer Aniston, _________ is perhaps best known for her role in “Friends”, has also appeared in several major films. A. that B. who C. whom D. which 18. Daughter: “Dad! I have just won the first prize in the Olympic English Contest.” Father: “__________________” A. Congratulations! B. That’s a good idea. C. Thank you. D. I’d love to. 19. Jim: “What about collecting used paper, bottles and plastic bags every day?’" Ha and Mai: “_______” A. Because they can pollute the environment. B. How come? Who can do that? C. That's a very good idea. Let's do that. D. What about this weekend? 20. If I_______ his advice, I would be a fool. A. followed B. would follow C. will follow D. had followed 21. I wish Ann ......... here. She will be able to help us. A. weren’t B. were C. is D. wasn't 22. Susan is very __________ of telling other people what to do. A. fond B. interested C. keen D. bored 23. She said she ……. …Ha Long Bay the following day. A. will visit B. will be visited C. would visit D. would be visited 24. Three thousand cars_ __________ next year. A. produced B. were produced C. will produce D. will be produced