1 . I have a home robot. It ________ do all the housework.

A．need

B．can

C．must

D．should

2 . —Will you answer the phone, please?
—Sorry, I ________. I am busy now.

A．can’t

B．needn’t

C．shouldn’t

D．mustn’t

3 . —_________ your American friend eat with chopsticks?
—Yes, but he can’t use them well.

A．Can

B．Should

C．Must

D．Need

4 . Tom can’t play basketball on school days, but he ________ play it on weekends.

A．must

B．can

C．have to

D．should

5 . —What will the weather be like tomorrow?
—It________ be rainy, cloudy or sunny. Who knows?

A．must

B．might

C．should

D．can’t

6 . Miss Li, ________ you please speak a little more loudly?

A．could

B．should

C．need

7 . —         I use your computer, Dad?                    
—Yes, you can.

A．Must

B．Could

C．Would

D．Should

8 . — ________ you help to wash the car?
—Sorry, Dad. I’m doing my homework.

A．Must

B．Could

C．Might

D．Should