初中英语情态动词的被动语态单选题

---Can you join us for dinner tonight ?
--- Sorry, I’m afraid not. I _______ look after my sister.

A．can’t

B．can

C．have to

D．has to

— Students _____ be allowed to use mobile phones at school.
— I agree. Phones can bring troubles.

A．shouldn’t

B．wouldn’t

C．might

D．need

-- Must I do my homework right away?
-- No, you _____. You_____ do it later.
A. can’t, must            B needn’t, may
C. may not, must           D. mustn’t, can

--- ____ we go to the hospital right now?
---Yes, we must. You are badly ill.

A．Shall

B．May

C．Can

D．Need

Life is changeable. No one knows what         happen in the future.

A．should

B．need

C．have to

D．might

--_____ you call back tomorrow?   --Of course I can.

A．Can

B．Must

C．May

D．Need.

— Will it be sunny this afternoon?
— It _______ fine. Who knows? The weather always changes quickly.

A．must be

B．will be

C．may be

D．maybe

---Whose book is it?---look! Jane’s name is on the cover(封面). It _________ hers.

A．can’t be

B．must be

C．should be

D．must is

----Must they clean the classroom now?
----No, they ______.

A．can’t

B．needn’t

C．mustn’t

D．don’t

—Where is John?
—He         be reading books in the library, but I’m not sure．

A．must

B．may

C．can

D．should

If anyone wants to say something in class, you ________ put up your hands first.

A．must

B．may

C．should

D．Can

--You look pretty in green, Kate.
---Thank you. I like green. Green ______give me energy.

A．can

B．must

C．should

D．has to

– I often see Mary in the library, she _________ love reading best. 
– That’s right.
A. need      B. may         C. must

You _____   __ wash your hands before meals. It is good for your health.
A. must          B. can              C. have to

You        go through the security check（安检）before getting on the train.

A．can

B．might

C．may

D．must