-- Whose notebook is this ?
-- It _______  Mary. It has her name on it.
A. must be             B. can’t belong             C. must belong to

Her son _______ drink Coke a lot, but now he likes drinking milk.
A. used to              B. is used to             C. uses to

—        we pick apples on the farm?
—Good idea!
A. Will                                                   B. May                                           C. Shall

—What does this sign       mean, Miss Chen?
—Oh, it says that we ________take photos here.
A. needn’t                                  B. may not                                    C. mustn’t

–________ you turn down your radio, please? –Yes, I can.

I’m feeling much better now so you ______ call the doctor.

--____ you come to my birthday party tomorrow, Robert?
--I’m afraid not. I have to study for my exam.

—Is Mr. Green in the office?
—No, he ________ be in the office. Look, the light in the office is off.

-- Must I come here at eight o’clock?                                           
-No, you ____. You may come a little later.                                      

You       play computer games for a long time. It’s bad for your eyes.