1. As it happened, I __________ because my friends were there to support me.
A. won't worry
B. mustn't have worried
C. needn't have worried
D. can not worry
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2. She was deeply troubled and you ___________ her about it.
A. shouldn't have told
B. dare not tell
C. can't have told
D. wouldn't have told
3. We've got plenty of time. We _____________ hurry.
A. can't
B. couldn't
C. wouldn't
D. needn't
4. He didn’t answer when I called — he __________ to bed.
A. would have gone
B. must have gone
C. will have gone
D. shall have gone
5. If you failed that exam you __________ very hard.
A. can't have worked
B. shouldn't have worked
C. needn't have worked
D. wouldn't have worked
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