They __________ on the program for almost one week before I joined them, and now we __________ it as no good results have come out so far.
| A．had been working; are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
There is a new problem ___in the popularity of private cars ____road conditions need to be improved .
| A．involving ; that | B．involved ; that |
| C．involved; where | D．involving ; which |
—Really ? Who will give ____lecture ? What is it about ?
—Professor Chen , _____ president of Beijing University . About pollution .
| A．the ;a | B．the;/ | C．a ; the | D．a ;/ |
The soldier was ____of running away when the enemy attached.
| A．scolded | B．charged | C．accused | D．punished |
—How do you ____ to her unkindly behavior?—Only silence.
Which of the following is wrong?
| A．react | B．answer | C．reply | D．respond |
---He was nearly drowned in a pool.
---Oh, when was ___ exactly?
--- It was in 1983 ____ he was swimming with his friends.
| A．this; that | B．that; when | C．that; that | D．what; when |