【推荐1】— Mum, must I come back home before 20:00 tonight?
— No, you ________. You can come back a little later.

A．needn’t

B．can’t

C．mustn’t

D．shouldn’t

【推荐2】— Who's that boy reading in the garden? Is it David?
— It _________ be David. I saw him in the classroom just now.

A．must

B．can't

C．may

【推荐3】—According to the school rules, the students ________ get their ears pierced.
—I think that’s right. Students should pay more attention to their study.

A．mustn’t

B．can

C．needn’t

D．should

【推荐1】—Mum, __________ I go out to watch a movie?
—Yes, you can. But you must finish your homework first.

A．must

B．need

C．will

D．may

【推荐2】You drive on the right of the road in China. It’s the traffic rule.

A．must

B．can

C．will

D．may

【推荐3】________ he is in the library now.

A．May

B．Maybe

C．Be

D．May be

【推荐1】—Madam, the daily English handbook prepared for the Universiade (大运会) is so useful. ________ I take one away?
—Sorry, sir. You can just read it here.

A．Can

B．Must

C．Should

【推荐2】— Whose cap is it? Is it Cindy’s?   
— It _________ be hers. Don’t you remember she even did not come to the party?

A．must

B．may

C．can’t

D．mustn’t

【推荐3】—Will Sally come to Ethan’s birthday party?
—I’m not sure. She ________ come after she finishes her homework.

A．must

B．might

C．should

【推荐1】—________ I take the magazine away?
—No, you mustn’t. You can read it only here.

A．May

B．Must

C．Need

D．Should

【推荐2】—________ you lend me your dictionary, Laura?
—Sorry, I can’t. I have just lent it to Eric.

A．Could

B．Should

C．Must

D．Need

【推荐3】—Mike, ________ I join the volunteer service in our community?
—Of course you can.

A．can

B．must

C．should

D．need