A computer _____ think for itself; it must be told what to do.

A. can’t B. can’t C. must D. will

We _____ last night, but we went to the concert instead.

A. must have studied B. might study C. should have studied D. would study

"Could I borrow your dictionary?" - "Yes, of course you _____.”

A. might B. will C. can D. should

Peter _____ come with us tonight, but he isn't very sure.

A. must B. may C. can D. will

Tom should not _____ me your secret, but he meant no harm.

A. have told B. tell C. be telling D. having told

_____ it rain tomorrow, we will put off the visit to the Marble Mountains.

A. Were B. Should C. Would D. Will

I told Sally how to get here, but perhaps I ______ for her.

A. had to write it out            B. must have written it out

C. must have written it out D. ought to write it out

- “Don’t forget to come to my birthday party tomorrow.” -“ _____. “

A. I don’t B. I won’t C. I can’t D. I haven’t

- “Shall I tell John about it?”

- “No, you _____. I’ve told him already.”

A. needn’t B. wouldn’t C. mustn’t D. shouldn’t

“Mary looks sad. Did you tell her about the accident?” - “Yes, but I _____ her later.”

A. shouldn't have told B. mustn't have told C. must have told  D. should have told