— Shall Mary come to the concert with us？
－Not_____she has finished her paper．
| A．since | B．once | C．when | D．unless |
character
| A．coach | B．machine | C．chorus | D．merchant |
—I’m going to Hong Kong for a couple of days.
—__________. I wish I could get away for a while.
| A．I can’t agree more | B．I really envy you |
| C．It doesn’t matter | D．Forget it |
If we had become aware of danger earlier, we _____ to stay in that temporary shelter.
| A．wouldn’t choose | B．wouldn’t be choosing |
| C．wouldn’t have been choosing | D．wouldn’t have chosen |
Whatever amount you decided to ______, be certain that the money will be put to good use.
| A．exchange | B．calculate | C．donate | D．distribute |
Hardly _______ to speak when the audience interrupted him.
| A．he began | B．he had begun | C．had he begun | D．did he begin |