初中英语被动语态单选题

You have to be 18 years before you _________ to drive a car.

A．are allowed

B．are

C．allowed

D．allow

---Who is the tallest boy?        ---It ______  be John. John is of medium height.

A．must

B．needn’t

C．might

D．can’t

Susan’s parents bought a large house with a swimming pool. It ______be very expensive.

A．can

B．must

C．mustn’t

D．can’t

Today is Wednesday. He _______ be at home. He _____ be at school.

A．can’t; can

B．can’t; must

C．mustn’t; must

D．mustn’t; can

You’re too tired. You _______ have a good rest.

A．should

B．can

C．may

D．shouldn’t

— Must I stay here with you?
—No, you_____. You may go home, but you ______go to the net bar.

A．mustn’t , needn’t	B．needn’t, mustn’t
C．must, need	D．need, must

—I usually watch TV till 11 o’clock in the evening.
—Really ? Are you __________?

A．allowed to stay up	B．allow to stay up
C．allowing staying up	D．allowed stay up

—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.

A．may; mustn’t

B．mustn’t; mustn’t

C．can’t; can’t

D．must; can’t

—Can you tell me what to wear at the party?
—If I            you, I            the blue jeans.

A．am; will wear

B．was, will wear

C．were, would wear

D．were, wore

He____know the answer, but I’m not sure.
A:maybe  B:may be  C:may  D:must

Don’t  put off today’s work for tomorrow. I mean , today’s work _____today.

A．may do

B．must do

C．may be done

D．must be done

There is a “ No smoking “ sign here. You _________ smoke.

A．can

B．may

C．needn’t

D．mustn’t

They ________ often _______to be careful before _______the road.

A．are, told, cross

B．are, told, across

C．are, telling, crossing

D．are, told; crossing

Nobody ______ to go into the laboratory without permission (允许).

A．allows

B．is allowed

C．promises

D．is promised

Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.

A．can’t be; must be	B．can’t be; mustn’t be
C．should be; must be	D．must be; can’t be