I was standing behind a tall man．When the man looked _____, I recognized him at once．
| A．up | B．down | C．forward | D．about |
We ______ ; we followed the boss into the hall as his guests. How lucky we were!
| A．didn’t need to wait | B．needn’t have waited |
| C．must have waited | D．couldn’t have waited |
It’s just _____among countries to host the Olympics as to win an Olympic Medal.
| A．much as a competition | B．as a much competition |
| C．as much a competition | D．a competition as much |
Do ____ you think is right, ____ difficulties you may have.
| A．what; however | B．that; whatever |
| C．whatever; whoever | D．what; whatever |
—Why can't I smoke here?
—At no time__________ in the meeting-room
| A．is smoking permitted | B．smoking is permitted |
| C．smoking is it permitted | D．does smoking permit |
______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．When | B．As | C．While | D．Before |