【推荐1】— Look! The man at the gate ________ be our headmaster. He is always standing there every morning.
— No, it _________ be him. He is holding a meeting in his office now.

A．mustn’t; can’t

B．can’t; mustn’t

C．can’t; must

D．must; can’t

【推荐2】We shouldn’t put metal in the microwave. It ________ start a fire.

A．need

B．should

C．must

D．may

【推荐3】The dictionary ________ be Mary’s. Look! Her name is on it.

A．must

B．can

C．may

D．might

【推荐1】—_______ we clean the classroom at once?
—No, you _______. You _______ clean it after school.

A．Must; needn’t; may

B．Must; mustn’t; can.

C．Shall; can’t; must

D．Need; mustn’t; may

【推荐2】—Look at the boy playing soccer on the playground. Is it Tom?
—It ________ be him. He told me he would play basketball after class, but he was not sure.

A．need

B．should

C．might

D．must

【推荐3】You ______ set out alone, or you ______ get lost in the jungle.

A．needn’t, may

B．mustn’t, might

C．can’t, need

D．mustn’t, must

【推荐1】—_______have a trip to Hongshan Zoo？
—That sounds like a good idea.

A．Let's

B．Why not we

C．What about

D．Shall we

【推荐3】You________ have the wrong number. There is no such person.

A．need

B．can

C．shall

D．must

【推荐1】You ________ drive on when the traffic light is red.

A．mustn’t

B．can

C．needn’t

D．should

【推荐2】Look at the traffic jam! We ________ be late for the meeting.

A．ought to

B．can

C．must

D．should

【推荐3】—Jack, ________ I join your basketball team?
—Of course you can. You are an amazing sports star.

A．can

B．must

C．should

D．need