Jack, you ________ play with the knife; you ________ hurt yourself．

A．won’t; can’t

B．mustn’t; may

C．shouldn’t; must

D．can’t; should

When the old man was alive, he ________ sit for hours at the door．

A．would

B．could

C．must

D．might

－________ it be Li Ping who broke the glass?

－No．It ________ be Wang Hai who did it．

A．Could; may

B．Can; can

C．May; must

D．Can; must

－Is John coming by air?

－He should, but ________ not．He likes taking trains．

A．must

B．can

C．need

D．may

There was plenty of time; she ________．

A．mustn’t have hurried

B．needn’t have hurried

C．may not have hurried

D．wouldn’t have hurried

You can’t imagine that a well-behaved gentleman ________ be so rude to a lady．

A．might

B．need

C．should

D．would

－Why didn’t you come to see me?

－I ________, but I was too busy yesterday．

A．like to

B．should like to

C．would like to have

D．am going to

－There were already five people in the car, but they managed to take me as well．

－It ________ a comfortable journey．

A．can’t be

B．shouldn’t be

C．mustn’t have been

D．couldn’t have been

－Shall I tell John about it?

－No, you ________．I’ve told him already．

A．needn’t

B．wouldn’t

C．mustn’t

D．shouldn’t

Nobody noticed the thief slip into the house because the lights happened to ________．

A．be put up

B．give in

C．be turned on

D．go out