Normally, a forest fire and the damage ______ causes can be very severe, especially when you consider the financial and physical losses.
| A．which | B．it | C．this | D．that |
I ________ the main point of the speech and wrote a summary of it.
| A．grasped | B．misunderstood | C．mastered | D．recognized |
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
— I really should have gone with you, but I ________ on some remaining problems.
| A．was working | B．would work | C．worked | D．had worked |
It is most ________that the experts will come to the area to investigate the possible damage caused by the heavy flood.
| A．likely | B．perhaps | C．possibly | D．probably |
When the middle-aged man was visiting his girlfriend, she demanded that he _______ his beard.
| A．shaved | B．had shaved | C．would shave | D．shave |
— What on earth did the manager want to know? — ____ that we could finish the project.
| A．What it was | B．What was it | C．When was it | D．When it was |