You look tired．You ________ to have a good rest．

A．must

B．may

C．should

D．need

My brother can’t sing but he ________ play the piano．

A．can’t

B．doesn’t

C．can

D．don’t

－Whose pizza is this?

－I think it ________ be mine．I’m the only one who ordered a pizza．

A．must

B．could

C．might

D．can’t

Boys, you ________ be sitting in this room．It is for your teachers only．

A．shouldn’t

B．don’t have to

C．won’t

D．needn’t

－May I put my bike here?

－No, you________．You should put it over there．

A．couldn’t

B．needn’t

C．mustn’t

D．won’t

The notebook ________ belong to Sarah．Her name is on the cover．

A．might

B．can’t

C．must

D．mustn’t

－Susan’s parents have bought a large house with a swimming pool．

－It ________ be very expensive．

A．must

B．can

C．mustn’t

D．can’t

－I have to fill in your chart．May I know your age?

－OK．I’m ________．

A．twenty－year－olds

B．twenty－years－old

C．twenty years old

D．twenty year olds

Look at the maps．________ of the land is covered with water．

A．Two third

B．Two three

C．Two thirds

D．Second three

On National Day, there are more than four ________ people in the park．

A．thousand

B．thousands

C．thousands of

D．thousand of