—_____do you improve your listening?
—I improve it ______ listening to tapes.
| A．How; with | B．What; with | C．How; by | D．What; by |
The teacher tells the students ________in class.
A. don’t make faces B. not to make faces C.not make faces
—Must I let my mother know it?
—________.You can keep it as a secret.
A. Yes, you must B. No, you mustn’t C. No, you needn’t
—I called you at about 8:30 last night, but nobody answered.
—Oh, I ________in my office at that time.
A. worked B. was working C. will work
Mr Lee was so tired that he couldn’t keep his eyes________.
A. open B. closed C. close
She thinks one of the _____sports is skating.
A. much exciting B. more exciting C. most exciting