Let's move the bags away, or there ________ an accident.

A. maybe

B. may have

C. may be

D. will have

?Do you have to leave now?

?Sorry, but I really ________.

A. can't

B. must

C. have

D. should

?I'm sorry, I didn't win in the race.　　

?Bad luck! Well, you ________win every time.

A. can't

B. must

C. should

D. mustn't

? ________we go now, Mike?

?Sure. Let's go.

A. Will

B. Shall

C. Do

D. Are

?Could I borrow your pen?

?Yes, you ________.

A. could

B. can

C. were able

D. may

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

A. must

B. may

C. can

D. will

This kind of car ________run very fast. It's new.

A. can

B. is able to

C. could

D. has to

?May I use your bike?

? ________.

A. Yes, you must

B. No, you mustn't

C. No, you needn't

D. No, you may not

?That must be a mistake.　　

?No, it ________. I've done it many times.

A. may not be

B. needn't be

C. can't be

D. wouldn't be

There is someone knocking at the door, who ________ it be?

A. can

B. may

C. must

D. need