—Hi, David, I heard you had an accident this morning．
—Yes．Luckily, I hit the brakes in time ______ I would have been injured badly．
| A．and | B．but | C．or | D．so |
He suffered severe headaches as a result of the injury, and hisdoctor recommended he _________ a rest.
| A．would take | B．took |
| C．must take | D．take |
—How can we _________ a large amount of fruit in the summer?
—By freezing or bottling.
| A．deserve | B．reserve |
| C．preserve | D．observe |
There's a strong possibility _________he'll get promoted. If so, let'scongratulate him.
| A．whether | B．if |
| C．that | D．which |
_________ so busy, she would come to help you.
| A．Should my daughter | B．Was my daughter not |
| C．If my daughter were not | D．If my daughter isn't |
Without the air to hold some of the sun's heat, the earth at night _________，too cold for us to live.
| A．would be coldly freezing | B．would be freezing cold |
| C．would be frozen cold | D．will freeze coldly |