Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale．
| A．man has been | B．man is | C．has man been | D．will be man |
The thief tried to break away from the policeman who _________ him but failed.
| A．held | B．had held | C．would hold | D．was holding |
---–Why did you come so late for work?
-----I was ________ for 15 minutes on the way here in the traffic jam.
| A．held up | B．put up | C．taken up | D．given up |
. Boris has brains. In fact, I doubt whether anyone in the class has _________ IQ.
| A．a high | B．a higher | C．the higher | D．the highest |
. Mr. Smith used to smoke _________ but he has given it up.
| A．seriously | B．heavily | C．badly | D．hardly |
Mrs. Brown was much disappointed to see the washing machine she had had _________
went wrong again.
| A．it repaired | B．to be repaired | C．to repair | D．repaired |