—Must I take medicine every day?
—No, you .
A．must B．mustn’t C．needn’t
The story book _________ for two weeks .
| A．has been borrowed | B．has borrowed |
| C．has been kept | D．has kept |
—Look，your father is playing the piano over there.
—He________ be my father. He has gone to Beijing.
| A．mustn’t | B．can’t | C．shouldn’t | D．may not |
Thank you for giving me __________.
| A．such good advice | B．such a good advice |
| C．so good advice | D．so a good advice |
Chinese is used ______ the largest number of people in the world.
| A．to | B．for | C．by | D．as |
The woman has something wrong with her eyes and has to have them _________.
| A．operated | B．operated on | C．operate | D．operate on |