1. They______have arrived at lunchtime but their flight was delayed. A. will B. can C. must D. should
2. If you______smoke, please go outside.
A. can B. should C. must D. may
3. ―I don’t really like James. Why did you invite him?
―Don’t worry. He______come. He said he wasn’t certain what his plans were.
A. must not B. need not
C. would not D. might not
4. ―Where are the children? The dinner’s going to be completely ruined.
―I wish they______ always late.
A. weren’t B. hadn’t been
C. wouldn’t be D. wouldn’t have been
5. Maybe if I______science, and not literature then, I would be able to give you more help.
A. studied B. would study
C. had studied D. was studying
6. I______sooner but I didn’t know that they were waiting for me.
A. had come B. was coming
C. would come D. would have come
7. Some young people these days just______go out of their homes to contact the real world.
A. mustn’t B. won’t
C. mightn’t D. shouldn’t
8. ―I left my handbag on the train, but luckily someone gave it to a railway official.
―How unbelievable to get it back!I mean, someone______it.
A. will have stolen
B. might have stolen
C. should have stolen
D. must have stolen
9. ―Shall I inform him of the change of the schedule right now?
―I am afraid you , in case he comes late for the meeting.
A. will B. must C. may D. can
10. ―Pity you missed the lecture on nuclear pollution.
―I______it, but I was busy preparing for a job interview.
A. attended B. had attended
C. would attend D. would have attended
Keys：
1～5 DCDAC 6～10 DBBBD
（作者单位：江西省南昌市教研室）