1. Ted's flight from Amsterdam took more than 11 hours. He _____ be
exhausted after such a long flight.
must had better
can 2. The book is optional. My professor said we could read it if we needed extra credit. But we ____ read it if we don't want to.
cannot
must not
have to
2. Susan ____ hear the speaker because the crowd was cheering so loudly.
can’t
might not
couldn’t 4. The television isn't working. It _____ damaged during the move.
must
must be
must have been
5. Kate: _____ hold your breath for more than a minute?
Jack: No, I can't.
Can you
Are you able to
Might you
6. You _____be rich to be a success. Some of the most successful people I
know haven't got a penny to their name.
can’t
don’t have to
shouldn’t 7. I've redone this math problem at least twenty times, but my answer is wrong according to the answer key. The answer in the book _____ be wrong!
have to
should
must 8. You ______ do the job if you didn't speak Japanese fluently.
won’t be able to
couldn’t
can’t
9. You _____ worry so much. It doesn't do you any good. Either you get the job, or you don't. If you don't, just apply for another one. Eventually, you will find work.
can’t
don’t have to
shouldn’t
10. You _____ be kidding! That can't be true.
ought to
should
have to
11. You _____ leave the table once you have finished your meal and politely excused yourself.
may
might
would
12. Jenny's engagement ring is enormous! It _____ a fortune.
It must be costing
must have cost
must cost
13. _____ we move into the living room? It's more comfortable in there and there's a beautiful view of the lake.
Shall
Must
Will
14. If I had gone white water rafting with my friends, I _____down the Colorado River right now.
would have float
would be floating
would float
15. At first, my boss didn't want to hire Sam. But, because I had previously worked with Sam, I told my boss that he _____ take another look at his resume and reconsider him for the position.
must
ought to
has to
16. You _____ take along some cash. The restaurant may not accept credit cards.
can
has to
had better
17. The machine _____on by flipping this switch.
can be turned
could be turning
may turn
18. I can't stand these people – I _____ get out of here. I'm going to take off for awhile while you get rid of them.
might
have got to
had better
19. You _____ forget to pay the rent tomorrow. The landlord is very strict about paying on time.
mustn’t
don’t have to
couldn’t
20. Do you always have to say the first thing that pops into your head. _____ you think once in a while before you speak?
Can’t
Don’t can
Can not
21. Terry and Frank said they would come over right after work, so they _____ be here by 6:00.
can
have to
should
22. Yesterday, I _____ cram all day for my French final. I didn't get to sleep until after midnight.
must
should
had to
23. We _____ no longer suffer the injustice of oppression! Freedom shall be ours!
might
shall
would
24. If I had gone to the University of Miami, I _____ participated in their Spanish immersion program.
could be
could
have to
25. The lamp _____ be broken. Maybe the light bulb just burned out.