—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
—What were you d
oing at this time yesterday?
—We _______ in the classroom.
A. readB. were readingC. was reading
I enjoy_______ the car because I can be outside.
A. wash B. to wash C. washing D. washes
