11. My sister is studying hard......... her exam. A. to B. at C. in D. for 12. It is a top secret. You ..........tell anyone about it. A. won't B. needn't C. mustn't D. mightn't 13. Every student.........to finish this test in 45'. A. having B. had C. have D. has 14. He can't buy that bicycle because he has......... money. A. a few B. a little C. little D. few 15. Tomorrow is Paul's birthday. Let's......... it. A. celebrate B. congratulate C. honor D. praise 16. If you don't understand the text, don’t hesitate.........a question. A. ask B. asking C. to ask D. about asking 17. The exhibition is now open.........all visitors A. with B. for C. at D. to 18. I’ll see you tomorrow morning if it is convenient.........you A. with B. for C. at D. to 19. Nobody says a word about the accident, ......... ? A. does he B. doesn’t he C. do they D. don’t they 20. I must apologize.........keeping you waiting A. at B. with C. for D. of 21. The bad weather.........the plane to be delayed A. caused B. made C. set off D. resulted in 22. Phone me before ten; .......... I’ll be too busy to talk to you. A. otherwise B. unless C. whether D. if 23. I’ll see.........the cooking tonight A. at B. with C. from D. to 24. The dust men.........the rubbish everyday. A. pick B. deliver C. bring D. collect 25. Neither the professor nor his assistant ......... yet. A. has come B. have come C. haven’t come D. hasn’t come 26. Most students do their homework ......... A. with hurry B. hurryingly C. hurrying D. hurriedly 27. It’s ......... that everybody will live in towns. A. like B. likely C. likable D. alike 28. Please concentrate.........what you are doing A. at B. with C. from D. on 29. He had to go to the bank to.........some money for his holiday A. pay up B. pay back C. draw out D. draw in 30. I wish I hadn't said it. If only I could......... A. turn the clock round B. turn the clock down C. turn the clock back D. turn the clock forward 31.........., the results couldn't be better. A. No matter what he tried hard B. No matter how hard he tried C. Although very hard he tried D. Despite how hard he tried 32. Jones was dismissed.........the firm A. at B. with C. from D. of 33. Ten thousand dollars.........a large sum of money. A. is B. are C. were D. being 34. John, together with his parents, .........paying us a visit tomorrow. A. are B. is C. was D. were 35. My brother is always accurate.........what he says and does A. with B. for C. at D. in GIÚP MIK VỚI Ạ!