—Why didn’t you try your best to get on the bus?
—I tried to , but _______ I could, it started moving.
| A．before | B．when | C．until | D．after |
It is________Chinese to contribute so much money and food to areas struck by the seaquake(海啸)．
| A．kind for |
| B．generous of |
| C．generous for |
| D．impressive of |
Mr. Green is said________an experiment to prove their new method of solving the problem when young.
| A．to do |
| B．to have done |
| C．to be doing |
| D．to have been doing |
—Will 200________the cost of the damage?
—I'm afraid not. I need at least 1,000 more.
| A．do |
| B．cover |
| C．include |
| D．afford |
Most children with healthy appetite are ready to eat almost anything that is offered to them and they rarely dislike food________it is badly cooked.
| A．if |
| B．until |
| C．that |
| D．unless |
Mice________disease which is deadly and________quickly.
| A．spreads; spreads |
| B．is spreaded; spreaded |
| C．spread; spreads |
| D．are spread; spreads |