Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
| A．mustn’t | B．ought not to | C．needn’t | D．don’t have to |
—Would you mind opening the window?
—_______ Please do.
A.Certainly not
B. You’d better not
C. I’m afraid so
The famous singer arrived ________ Shanghai ______ night.
A. at, at B. at, in C. in, at
—What’ s your favorite _______?
— Baseball.
A. fruit B. player C. sport
Michael Phelps is ________ active young man from the U.S.A.
A. a B. an C. the
—I hear that Sandy went to Beijing last week.
—Yes. She ____________ the day after tomorrow.
A. will come back
B. comes back
C. came back