can/could
1. Some women _____ a good salary in a job instead of staying home, but they decided not to work for the sake of the family.
A. must make B. should have made C. would make D. could have made
2.It is not like Jack to be unfriendly, so he _____ you when you called.
A. can’t have seen B. should not have seen C. must not have seen D. need not have seen
3. Bob_____ to Norfolk yet. He knows nothing about the place at all.
A. can’t have been B. mustn’t have been C. shouldn’t have been D. needn’t have been
4. ---I’m told that John had another car accident this morning.
---I believe not. He ____ so careless.
A. shouldn’t have been B. wouldn’t have been C. couldn’t have been D. mustn’t have been
5. My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture.
A. couldn’t have attended B. needn’t have attended
C. mustn’t have attended D. shouldn’t have attended
6. ---Did you go to the movie the day before yesterday?
---No, We ______, but we decided not.
A. should have gone B. could go C. should go D. could have gone
7. The room is in a terrible mess; it ________ cleaned.
A. can’t have been B. shouldn’t have been C. mustn’t have been D. wouldn’t have been
8. ---We didn’t see him on the exhibition yesterday.
---He ______ it.
A. mustn’t visit B. can’t have visited C. should have gone to see D. may see
9. Mary ______ may letter, otherwise she would have replied before now.
A. should have received B. has received C. couldn’t have received D. ought to have received
10. I _______ a little earlier, but I met a friend of mine on the way.
A. may come B. may have come C. could have come D. must have come
11. Under more favourable conditions, we ______ better.
A. need have done B. should do C. could have done D. might be doing
must
1. I have lost one of my gloves. I ________ it somewhere. （2005,北京，春招）
A. must drop B. must have dropped C. must be dropping D .must have been dropped
2．We’ve been waiting for hours to see the famous pop singer, but the airplane ________ behind the timetable.
A. must be B. will be C. would have been D. must have been
3. John’s sore in the test is the highest in the class; he ______ last nigh.
A. should study B. should have studied C. must have studied D. must have to study