16. " I locked myself out of my apartment. I didn't know what to do.” / “ You________your roommate.” A. could have called B. may have called C. would have called D. must have called 17. You haven't eaten anything since yesterday afternoon. You_____ be really hungry!" / "I am.” A. might B. will C. can D. must 18. "How long have been married?' / "We_________have been married for twenty three years on your next anniversary.' A. must B. should C . will D. could 19. "I ___________there at 6 P. M for the meeting, but my car won't start. Could you please give me a lift in your car?” – "Sure. Are you ready to go now?" A. will be B. may be C. supposed to be D. have got to be 20. "I left a cookie on the table, but now it's gone. What happened to it?” ~ "I don't know. One of children__________it”. A. may have eaten B. could eat C. had to eat D. should have eaten 21. “My boss is always looking over my shoulder whenever I do anything. — “That _____________bother you.”/ “But it does." A. shouldn't B. might not C. may not D. won't 22. “This movie is boring and too violent.” / “ I agree.________leave?" A. Willwe B. Why don't we C. Must we D. Would we 23. "Chris, you__________the fish in the refrigerator before it spoils.” ~ "You are right. I didn't know it was still in the bag. A. had better put. B. had to put C. would rather put D. may put 24. "What does Mr. Griffin do for a living?” ~ "Nothing. He is very rich. He___________ work for a living." A. must not B. shouldn't C. doesn't have to D. had better 25. “Why are you so late?” ~ "I________ my aunt to their airport. The traffic was terrible!” A. could take B. must have taken C. should take D. had to take