【推荐1】—Robert, could you wash the car for me?   
—Yes, I         . I’m coming.

A．could

B．couldn’t

C．can

D．can’t

【推荐2】— Everything is ready for the party.
— Do you mean I ______ bring anything with me?

A．can’t

B．couldn’t

C．mustn’t

D．needn’t

【推荐3】—Whose is this toy truck?
—It _________ belong to Dick. He was the only little kid at the picnic.

A．can’t

B．must

C．could

D．need

【推荐1】—A little bird entered through the open window to join us for dinner last night.
—Wow, that’s interesting! The unexpected guest ________ be welcomed.

A．will

B．can

C．must

【推荐2】—Can I go out with Lisa, Dad?
—Yes, but you ________ come back home before five o’clock. You’ll have an art lesson then.

A．must

B．can

C．mustn’t

D．can’t

【推荐3】— What do you plan to do this winter holiday, Betty?
— I’m not sure, but I ________ go to the museum.

A．might

B．must

C．can

D．mustn’t

【推荐1】Students ________ improve their language skills by watching English films.

A．must

B．can

C．should

D．need

【推荐2】—Is that Miss Liu over there?
—No. It ________ be her. She has gone to the USA.

A．mustn't

B．can't

C．won't

D．needn't

【推荐3】—Excuse me. ________ I sit here?
—Sure. Go ahead.

A．Must

B．Need

C．Could

D．Should

【推荐1】—Sorry, Miss Chen. I missed the early bus, so I was late again.
—It doesn’t matter this time. You ________ leave home 10 minutes earlier than before in future.

A．should

B．might

C．mustn’t

D．needn’t

【推荐2】A country has dreams. We teenagers ________ also have dreams. With dreams and hard work, anything amazing can be created.

A．may

B．must

C．should

【推荐3】You ________ go to bed early because there will be an exam tomorrow.

A．should

B．shouldn’t

C．can

D．can’t