【推荐1】I’ve got time. I________wait for you until you finish your work.

A．can

B．would

C．must

D．need

【推荐2】Today, we _____ work as hard as people did in the past.

A．mustn’t

B．can’t

C．shouldn’t

D．don’t have to

【推荐3】—Who’s that woman talking with Ann?
—I’m not sure. It________be her mother.

A．can

B．may

C．will

D．must

【推荐1】--Cathy’s parents have bought her a new house with a swimming pool．
--Really? It __________be very expensive．

A．can’t

B．mustn’t

C．must

D．can

【推荐2】—________ I return the book to the library today?
—No, you ________. You can register your name and then you can keep it for 7 days.

A．May; may not

B．Must; you mustn’t

C．Must; needn’t

【推荐3】—What do you think we common people ________ do for our motherland during the Covid-19 breakout?
—I think we ________ do anything except staying at home and do some exercise to keep ourselves fit.

A．must; can’t

B．may; mustn’t

C．need; shouldn’t.

D．can; needn’t

【推荐1】----Look! The woman at the school gate ______be her headmaster.
----No, it ______ be her. She is holding a meeting in the office now.

A．must; can’t

B．must; mustn’t

C．can; needn’t

D．may; mustn’t

【推荐2】Since some animals hibernate（冬眠）, they ________ any food in winter.

A．don’t need to

B．need

C．needn’t

D．don’t need

【推荐3】–Mom, may I go swimming with my friends in the river?
–No, you _________. That’s too dangerous.

A．won’t

B．don’t

C．needn’t

D．mustn’t

【推荐1】—I was riding along the street and all of a sudden, a car cut in and knocked me down.
—You ________ never be too careful in the street.

A．should

B．can

C．may

D．must

【推荐2】—In China, many parents complain that their children have to stay up late to do the homework.
—Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.

A．can

B．should

C．need

D．must

【推荐3】No children _______ to watch this kind of movie because it’s too scary.

A．should allow

B．should be allowed

C．shouldn’t be allowed

D．don’t allow