【推荐1】Tom, it is your mistake. You ________ say sorry to your friend.

A．would

B．must

C．may

D．could

【推荐2】You ________ go to see the doctor at once because you don’t look well today.

A．can

B．may

C．must

D．could

【推荐3】—What is your mother going to do this Saturday?
—I’m not sure. She ________ go to see my grandmother.

A．can

B．may

C．must

D．shall

【推荐1】—Whose basketball is this?
—It ________ be Kevin’s. He loves basketball.

A．may

B．can

C．must

D．would

【推荐2】—Doctor Lee, I have been smoking for 40 years. I can’t give it up.
—For your health, I’m afraid you ________.

A．can

B．must

C．may

【推荐3】When water moves from a high place to a lower place, it ________ make electricity.

A．can

B．must

C．need

D．should

【推荐1】—Must I hand in my book report this afternoon?
—No, you _________. You can hand it in next Monday.

A．needn’t

B．wouldn’t

C．mustn’t

D．shouldn’t

【推荐2】The hairband ________ belong to Betty. She didn’t attend the meeting at all.

A．must

B．can’t

C．might

D．mustn’t

【推荐3】You ________ swim here! Look at the sign. It says “No swimming”.

A．mustn’t

B．couldn’t

C．needn’t

D．won’t

【推荐1】—What’s that in the box?
—I’m not sure. It ________ be a pair of shoes.

A．must

B．may

C．will

D．need

【推荐2】— Mum, why do I have to wash hands so many times a day?
—You ________ be too careful, for your health.

A．can’t

B．mustn’t

C．may not

D．needn’t

【推荐3】—Do you know the largest iceberg (冰山) began to move at the end of 2023?
—Yes. Its movement ________ cause trouble for animals nearby, but the scientists are not sure.

A．may

B．have to

C．must

D．should