I put my keys on the table, but now it's gone. Someone_____ have taken it.

A. may B. had to C. should D. would rather

She hasn't eaten anything since yesterday. She_____ be really hungry.

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

Since we have to be there by 8.30, we_____ take a taxi.

A. had better B. may C. ought D. are able to

He_____ have committed the crime because he was with me that day.

A. mustn't B. mustn't C. won't D. couldn't

When my father was young, he _____ work in the garden for long hours.

A. can B. could C. could D. should

You ______ the look on his face when he won the prize.

A. would have seen B. can be seeing C. must see D. should have seen

I ______ like to know where you were born.

A. shall B. would C. could D. may

You'd better ______ late next time.

A. don't B. not be C. not be D. won't be

I _____ play basketball than football.

A. would rather B. had better C. like better D. prefer

There are so many types here, and I really don't know which one I _____ choose.

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