--- Must I stop _______ , Doctor?
--- For your health, I’m afraid you _______ .
| A．to smoke, need | B．smoking, have to |
| C．smoke, must | D．smoked, may |
_____ John was watching TV, his wife was reading a book.
| A．As | B．As soon as | C．While | D．When |
There’s _____ wrong with my computer. I’ll have it _____ .
| A．something; repair | B．anything; to repair |
| C．something; repaired | D．anything; repaired |
Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
| A．an; an | B．an; a |
| C．a; a | D．a; an |
—Would you mind my using your computer?—______
| A．Yes. Here you are. | B．No, you can’t. |
| C．No, not at all. | D．You’re welcome. |
I wonder __________ achieve a balance between my schoolwork and my hobbies.
| A．how can I | B．how I can |
| C．what can I | D．what I can |