—Can I know your plans for this summer holiday?

—Mm...of course！But I'm just thinking about this.I________be a volunteer social worker.

A．might                B．should

C．must                  D．need

Although the climate in our city is good，yet the temperature________fall to 14 centigrade below freezing point in winter.

A．should                B．shall

C．can                   D．may

一What does the sign over there read?

一No person ______ smoke or carry a lighted cigarette，cigar or pipe in this area．

A．will                B．may

C．shall               D．must

考点：情态动词

Some people who don’t like to talk much are not necessarily shy; they _______ just be quiet people.

A．must               B．may

C．should             D．would

—It’s the office! So you_____know eating is not allowed here.

—Oh, sorry.

A．must              B．will

C．may               D．need

—Catherine, I have cleaned the room for you.

—Thanks. You______it. I could manage it myself.

A．needn't do             B．needn't have done

C．mustn't do             D．shouldn't have done

—She looks very happy. She ______ have passed the exam.

—I guess so. It’s not difficult after all.

A．should                B．could

C．must                  D．might

Mr. White _____ at 8:30 for the meeting, but he didn't show up.

A．should have arrived               B．should arrive

C．should have had arrived            D．should be arriving

He did not regret saying what he did but felt that he       it differently.

A．could express                B．would express

C．could have expressed         D．must have expressed

—I can’t give up smoking, doctor.

—For your health, I’m afraid you ________.

A．may                 B．can

C．have to             D．must