—Did you see who the driver was?
—No, so quickly that I couldn’t get a good look at his face．
A．does the car speed by B．the car speeds by
C．the car speed by D．did the car speed by
—Did you meet with the famous star?
—______ I had come here earlier.
A. Only if B. If only C. But for D. As long as
Every few years, the coal workers their lungs X-rayed to ensure their health.
A. are having B. have C. have had D. had had
The plan _________ just because people were unwilling to cooperate (合作).
A. broke down B. pulled down C. turned down D. put down
Jack, I’m afraid I’ll turn to you．I think chemistry is _______ physics．
A．as a difficult subject as B．a subject the same difficult as
C．as difficult a subject as D．the same difficult subject as
Not until then did I find it _____ to do the job that way.
A. is easier B. easier C. was more easily D. more easily
