【推荐1】It’s midnight and Betty is still working. She ________ be very tired.

A．may

B．can

C．must

D．should

【推荐2】Now that you have a toothache, you              go to see the dentist as soon as possible.

A．could

B．should

C．may

D．would

【推荐3】According to the new traffic rules, people ________ wear a helmet when riding an e-bike.

A．must

B．can

C．may

【推荐1】—Is that Li Ming over there?
—It ________ be him. He has gone to the school library.

A．can’t

B．needn’t

C．must

【推荐2】—Look! The man at the gate __________ be our headmaster. He almost stands there every morning.
—No, it _________ be him. He is holding a meeting in the office now.

A．can; can’t

B．must; mustn’t

C．must; can’t

D．might; mustn’t

【推荐3】—Mum, _____ I go out with my friends this Friday evening?

—No. You ______ stay at home and do your homework.

A．may; can

B．may; must

C．can; would

D．must; may

【推荐1】All the drivers ________ reduce speed(减速) when driving near the zebra crossing (斑马线).

A．can

B．mustn’t

C．must

【推荐2】—I can’t keep myself active during the day.
—You ________ take more exercise.

A．must not

B．must be

C．need to

D．needs

【推荐3】—May I take the two novels both?
—Sorry, you________. You can take ________ since the rule says “one copy for each person”.

A．mustn't; neither

B．mustn't; either

C．needn't; both

D．needn't; either

【推荐1】—What does Mr. Cool have in his store?
—He ________ shirts, bags and socks.

A．needs

B．sells

C．gets

D．takes

【推荐2】You ________ mind your manners when you are introduced to seniors in Japan.

A．can

B．may

C．need

D．should

【推荐3】—Mom, could I watch TV now?
—No, you__________. You must finish your homework first.

A．can’t

B．can

C．needn’t

D．need