--- Can you play tennis with us now?--- _____. I have to finish my homework first.
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