－Catherine, I have cleaned the room for you．

－Thanks．You ________ it．I could manage it myself．

A．needn't do

B．needn't have done

C．mustn't do

D．shouldn't have done

－Is Jack on duty today?

－It ________ Be him．It's his turn tomorrow．

A．mustn't

B．won't

C．can't

D．needn't

If it were not for the fact she ________ sing．I would invite her to the party．

A．couldn't

B．shouldn't

C．can't

D．might not

Some aspects of a pilot's job ________ be boring, and pilots often ________ work at inconvenient hours．

A．can; have to

B．may; can

C．have to; may

D．ought to; must

We hope that as many people as possible ________ join us for the picnic tomorrow．

A．need

B．must

C．should

D．can

As you worked late yesterday, you ________ have come this morning．

A．needn't

B．mayn't

C．can't

D．mustn't

－Must he come to sign this paper himself?

－Yes, he ________．

A．need

B．must

C．may

D．will

－How do you ________ we go to Beijing for our holidays?

－I think we'd better fly there．It's much more comfortable．

A．insist

B．want

C．suppose

D．suggest

It is hard for me to imagine what I would be doing today if I ________ in love at the age of seven, with the Melinda Cox Library in my hometown．

A．wouldn't have fallen

B．had not fallen

C．should fall

D．were to fall

________ fired, your health care and other benefits will not be immediately cut off．

A．Would you be

B．Should you be

C．Could you be

D．Might you be