高二第二学期情态动词跟虚拟语气.doc

情态动词专项练习 ( ) 1. You _____ return the book now. You can keep it till next week if you like. A. can’t B. mustn’t C. needn’t D. may not ( ) 2. Where is my pen? I _____ it. A. might lose B. would have lost C. should have lost D. must have lost ( ) 3. I wish I _____ you yesterday. A. seen B. did see C. had seen D. were to see ( ) 4. I didn’t hear the phone. I _____ asleep. A. must be B. must have been C. should be D. should have been ( ) 5. If my lawyer _____ here last Saturday, he _____ me from going. A. had been; would have prevented B. had been; would prevent C. were; would prevent D. were; would have prevented ( ) 6. He _____ you more help, even though he was very busy. A. might have given B. might have C. may have given D. may give ( ) 7. If it _____ for the snow, we _____ the mountain yesterday. A. were not; could have climbed B. were not; could climb C. had not been; could have climbed D. had not been; could climb ( ) 8. Without electricity human life _____ quite difficult today. A. is B. will be C. would have been D. would be ( ) 9. A computer _____ think for itself, it must be told what to do. A. can’t B. couldn’t C. may not D. might not ( ) 10. Jenny _____ have kept her word. I wonder why she changed her mind. A. must B. should C. need D. would ( )11. We _____ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study ( ) 12. — Could I borrow your dictionary? — Yes, of course you _____. A. might B. will C. can D. should ( ) 13. Tom ought not to _____ me your secret, but he meant no harm. A. have told B. tell C. be t