1 . You ______ have been out last night, for all the lights in your room were not on.

A．need

B．must

C．may

D．should

2 . ---Good morning. I’ve got an appointment with Miss Smith in the Personnel Department.
---Ah, good morning. You        be Mrs. Peters.

A．might

B．must

C．would

D．should

3 . Hurry up! Tom _______ for us at the gate.

A．must wait	B．must be waiting
C．can be waiting	D．must have waited

4 . More and more countries have come to realize that the world____ do without Huawei and its "more advanced" technology.

A．can’t

B．needn’t

C．mustn’t

D．shouldn't

5 . 用适当的情态动词填空
（1）—Excuse me. Is this the right way to the Summer Palace?
—Sorry, I'm not sure. But it ____________be.
（2）—Do you know where David is? I couldn't find him anywhere.
—Well, he ____________have gone far - his coat's still here.
（3）Mr. Bush is on time for everything. How ____________it be that he was late for the important meeting?
（4）He ____________ have completed his work; otherwise,he wouldn't be enjoying himself by the seaside.
（5）Look!The light in the office is still on. Our English teacher ____________be correcting our exam papers.

6 . You ________ be Carol. You haven’t changed a bit after all these years.

A．must

B．can

C．will

D．shall

7 . Just when we are going to have a holiday, my little son ________ have a headache.

A．dare	B．can
C．may	D．must

8 . The sportsman ________save a drowning boy that afternoon; the boy’s parents appreciated him very much.

A．might	B．could
C．was able to	D．must

9 . —Why! I couldn’t get you on the phone this morning.
—We ________ tennis in the yard when you phoned me.

A．could be playing

B．must be playing

C．must have been playing

D．should have played

10 . —Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.
—Yes, the weather there _____ be as low as 60℃ below zero.

A．must; can

B．shall; must

C．will; should

D．has to; can