【推荐1】All the cars ________ stop when the traffic light is red.

A．can

B．need

C．may

D．must

【推荐2】—Must I do the housework now?
—No, you ________do the shopping first.

A．needn’t

B．must

C．can’t

D．mustn’t

【推荐3】— _____ I use your dictionary, Tom?
— Of course, you _______.

A．Can; could

B．Could; can

C．Could; could

D．Can; might

【推荐1】—Have you decided where to go for your summer vacation?
—Not yet. We ________ go to Qingdao. It’s a good place for vacation.

A．may

B．need

C．must

D．have to

【推荐2】—________ your brother speak Japanese?—Yes, he has learnt it in Tokyo for three years.

A．Should

B．Must

C．Can

D．May

【推荐3】— ________ you go to the movies with me tomorrow, Bob?
—Sorry. I ________ go to see my grandparents.

A．Can; can

B．Can; must

C．May; mustn’t

D．Might; can

【推荐1】—Mrs. Smith, can I hand in my paper now?
—Wait. There are still a few minutes left. Your answers ________ be right, but it’s better to check to make sure.

A．must

B．might

C．shouldn’t

D．can’t

【推荐2】There is enough milk and eggs in the fridge. So you ________ not buy any these days.

A．can

B．need

C．must

D．should

【推荐3】— Where's Jim?
— I'm not sure. He________ be playing football on the playground.

A．need

B．might

C．must

D．can

【推荐1】In a flash, a computer ________ do a calculation that you can’t do in your whole life.

A．may

B．should

C．must

D．can

【推荐2】—________ you tell us a joke in English?   
—Certainly.

A．Must

B．Should

C．Will

D．Can

【推荐3】Dr. Zhong Nanshan once said, "To prevent the spread of this disease, we________never be too careful."

A．can

B．may

C．must

D．should