【推荐1】— May I take this book out of the reading room?
—________. Please read it here.

A．Certainly

B．No, you needn’t

C．No, you mustn’t

D．No, you may not

【推荐2】—Miss Wang, must I do volunteer activities every day?
—No, you__________. Once a week is OK.

A．mustn’t

B．don’t have to

C．can’t

【推荐3】The dictionary at the Lost and Found ________ be Tim’s, because his name is on its cover.

A．can

B．mustn’t

C．can’t

D．must

【推荐1】—Did you visit the Great Wall last year?
—________. But we visited the Palace Museum.

A．Yes, we do

B．No, we didn’t

C．Yes, we did

D．No, we don’t

【推荐2】—Are Jack and David in the classroom?
—________ They are in the library.

A．Yes, they are.

B．No, they aren’t.

C．Yes, he is.

D．No, he isn’t.

【推荐3】—Do you have a car ?
—No, I      ．

A．don’t

B．doesn’t

C．am not

【推荐1】—________ I wear a helmet（头盔）when I ride an electric bike?
—Yes, you must.

A．Shall

B．Can

C．Must

D．Could

【推荐2】—Attention please. Your project ________ be finished by the end of this week.
—But we are up to our necks in work. ________ we finish it the next week?

A．can; May	B．need; Can
C．must; Can	D．must; Need

【推荐3】Garbage sorting ________ be required in Shanghai from July 1, 2019.

A．can

B．may

C．need

D．must