1 情态动词练习 1. It is usually warm in my hometown in March, but it ____ be rather cold sometimes. A. must B. can C. should D. would 2. You _____ be hungry already ---- you had lunch only two hours ago! A. wouldn’t B. can’t C. mustn’t D. needn’t 3. ---- What do you think we can do for our aged parents?-- You ____ do anything except to be with them and be yourself. A. don’t have to B. oughtn’t to C. mustn’t D. can’t 4. John promised his doctor he ______ not smoke. And he has never smoked ever since. A. might B. should C. could D. would 5. 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 6. Liza ______ well not want to go on the trip ---- she hates traveling. A. will B. can C. must D. may 7. She ______ have left school, for her bike is still here. A. can’t B. wouldn’t C. shouldn’t D. needn’t 8. According to the air traffic rules, you _____ switch off your mobile phone before boarding. A. may B. can C. would D. should 9. ---- I can’t find my purse anywhere. ---- You ______ have lost it while shopping. A. may B. can C. should D. would 10. --. The light is on. We _______ have forgotten to turn it off before we went out. A. should B. must C. could D. might 11. ---- What sort of house do you want to have? Something big?---- Well, it _______ be big ---- that’s not important. A. mustn’t B. needn’t C. can’t D. won’t 12. ---- What does the sign over there read ---- “No person _______ smoke or carry a lighted cigarette, cigar or pipe in this area.” A. will B. may C. shall D. must 13. Some aspects of a pilot’s job ______ be bring; and pilot...