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n’t D. daren’t 9. — What sort of house do you want to have? Something big? — Well, it ______ be big — that’s not important. ( 陜西 2020) A. mustn’t B. needn’t C. can’t D. won’t 10. — What do you think we can do for our aged parents? — You ______ do anything except to be with them and be yourself. (重慶 2020) A. don’t have to B. oughtn’t to C. mustn’t D. can’t 11. The boss has given everyone a special holiday, so we ______ go to work tomorrow. (上海 2020春 ) A. can’t B. mustn’t C. needn’t D. shouldn’t 12. Some aspects of a pilot’s job ______ be boring, and pilots often ______ work at inconvenient hours. (湖南 2020) A. can。 must 13. It is usually warm in my hometown in March, but it ____be rather cold sometimes. A. must B. can C. should D. would 14. You ______ be hungry already you had lunch only two hours ago! A. wouldn’t B. can’t C. mustn ’t D. needn’t 15. John promised his doctor he ______ not smoke. And he has never smoked ever since. A. might B. should C. could D. would 16. What a pity! Considering his ability and experience, he ______ better. A. need have done B. must have done C. can have done D. might have done 17. Liza ______ well not want to go on the trip she hates traveling. A. will B. can C. must D. may 18. She ______ have left school, for her bike is still here. A. can’t B. wouldn’t C. shouldn’t D. needn’t 19. — I can’t find my purse anywhere. — You ______ have lost it while shopping. A. may B. can C. should D. would 20. — I’m sorry. I _______ at you the other day. — Fet it. I was a bit out of control myself. A. shouldn’t shout B. shouldn’t have shouted C. mustn’t shout D. mustn’t have shouted