Tom didn't see her in the meeting room this morning. She ________ have spoken at the meeting.

A. couldn't

B. mustn't

C. shouldn't

D. needn't

—Do you think the flight is delayed?

—It ________ be, especially in such weather.

A. would

B. should

C. might

D. ought to

It's still early. You ________ hurry.

A. mustn't

B. wouldn't

C. may not

D. don't have to

I didn't hear the phone. I ________ asleep.

A. must be

B. must have been

C. should be

D. should have been

—When can I come for the photos? I need them tomorrow afternoon.

—They ________ be ready by 12: 00.

A. can

B. should

C. might

D. need

If you really want yourself to be healthier, you must ________ always ________ so much.

A. not; be smoking

B. not; have smoked

C. not; to smoke

D. be not; smoking

It has been announced that candidates ________ remain in their seats until all the papers have been collected.

A. can

B. will

C. may

D. shall

My English-Chinese dictionary has disappeared. Who ________ have taken it?

A. should

B. must

C. could

D. would

—The room is so dirty. ________ we clean it?

—Of course.

A. Will

B. Shall

C. Would

D. Do

—Is John coming by train?

— He should, but he ________ not. He likes driving his car.

A. must

B. can

C. need

D. may