【推荐1】—Mom, I’ve signed for a big box just now. What’s in it?
—I’m not sure. It ________ be a present from your sister.

A．might

B．should

C．must

D．will

【推荐2】— Can you come to my party tomorrow afternoon?
— Sorry, I can’t. I ________ study for an exam.

A．can

B．may

C．must

【推荐3】— Tim, ________ you play ice-hockey?     
— Yes, I can.

A．can

B．should

C．must

D．need

【推荐1】We ________ keep clam and be brave during an earthquake.

A．might

B．must

C．mustn’t

【推荐2】— Yuan Longping, a famous Chinese scientist, is now doing research on sea rice.
— If farmers ________ start planting rice in salty water, China’s food supply will surely rise.

A．can

B．can’t

C．must

D．mustn’t

【推荐3】We _______ do eye exercises twice a day to take good care of our eyes.

A．should

B．might

C．needn’t

D．mustn’t

【推荐1】________ forget ________ your family photo here tomorrow.

A．Don’t; to bring

B．Not; to bring

C．Not; to take

D．Don’t; to take

【推荐2】---We will go hiking and have a picnic this weekend . ---wow   ____ interesting.

A．looks	B．sounds
C．listens	D．reads

【推荐3】The woman _________all the things she had to remember on the paper to make them look clear.

A．processed

B．reviewed

C．listed

D．checked

【推荐1】—Who's that girl swimming in the pool?
—It ________be Maria. She is sleeping in the bedroom now.

A．may

B．can't

C．must

D．should

【推荐2】—I just saw Carmen in the theater.
—It _______ be her. Look! She is playing with her dog in the garden.

A．must

B．mustn’t

C．can

D．can’t

【推荐3】— Is this book Linda's?
— It ________ be hers. Sandy's name is on the cover.

A．can't

B．mustn't

C．needn't