科目： 来源：不详 题型：单选题

科目： 来源：不详 题型：单选题

You _____ pay your library fines. If not, you _____ not be allowed to graduate.

A．may; should

B．should; need

C．must; will

D．will; can

科目： 来源：不详 题型：单选题

The pilot kept calm in the terrible storm, otherwise the accident ______.

A．couldn’t be prevented

B．mustn’t have prevented

C．wouldn’t have been prevented

D．shouldn’t prevent

科目： 来源：不详 题型：单选题

My aunt _____ here by now, for she took the early bus.

A．must arrive

B．can arrive

C．may arrive

D．ought to have arrived

科目： 来源：不详 题型：单选题

You _____ phone him if you want to, but you _____! He will surely phone you.

A．may; mustn’t

B．have to; needn’t

C．can; needn’t

D．can; doesn’t need

科目： 来源：不详 题型：单选题

The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.

A．shan’t

B．can’t

C．needn’t

D．mustn’t

科目： 来源：不详 题型：单选题

My MP4 player isn’t in my bag. Where        I have put it?

A．can

B．must

C．should

D．would

科目： 来源：不详 题型：单选题

—Why am I so slow at doing the cloze test?
—I guess you didn’t realize the use _____ the contexts.

A．you should have made of	B．you must have made from	C．of which you could have from
D．out of which you need make

科目： 来源：不详 题型：单选题

—May I speak to the patient now?
—No, you _____. He is too weak now.

A．needn’t

B．may not

C．mustn’t

D．oughtn’t

科目： 来源：不详 题型：单选题

—You know that you were driving at 100 kilometers per hour, don’t you?
—No, officer, I _____ have been. This car can’t do more than 80.

A．mustn’t

B．shouldn’t

C．may not

D．couldn’t