Tom’s score on the test is the highest in the class. He _____.

A. should study last night

B. should have studied last night

C. must have studied last night

D. must study last night

It was playing video games that took the boy too much time that

he have spent learning．

A．could B． must

C． might D． ought to

— But for your timely warning, we _____ into great trouble.

— Well, you know we’re friends.

A. would get B. must have got

C. would have got D. can’t have got

__________him not to do so, he wouldn’t have made such a serious mistake.

A. Did I persuade B. If I persuade

C. If I should persuade D. Had I persuaded

According to the judgment, all the illegal income go to the state.

A. shall B. may

C. can D. would

---________ I say something to you? You were really, really something back there. Incredible!

---Are you talking to ---me? Whoa!

A. Must B. Can

C. Need D. Should

The guide was enthusiastic and knowledgeable and we spent a lovely evening wandering into places which we ________ straight past otherwise.

A. had walked B. were walking

C. would have walked D. must have walked

Sarah ______ change her mind, even though she knew the plan was hard to carry out.

A. mustn’t B. wouldn’t

C. shouldn’t D. needn’t

– Do you mind if I smoke?

– Well, I’d rather you ______.

A. don’t B. didn’t

C. won’t D. aren’t

— Thank you very much for giving me a hand when I was in trouble.

— Don’t mention it. I only did what anyone else _______ in my place.

A. must do B. could have done

C. would do D. can have done