We'll go on a field trip if it _______ this weekend.
| A．won't rain | B．isn't raining |
| C．doesn't rain | D．will rain |
It’s generous _______ him to give so much money to charities. Now he thinks it's important _______him to help people in poor areas.
| A．for , to | B．of , for | C．to , of | D．for, for |
—I have difficulty __________ the article.
—Remember __________ it three times at least.
| A．to understanding, reading | B．understanding, reading |
| C．understanding, to read | D．to understand, to read |
Now more and more people prefer _____ to_____ in order to reduce the air pollution.
| A．to walk; driving | B．walking; drive | C．walking; driving | D．to walk; drive |
---I’ll go on a trip to Hong Kong Disneyland. ---Wonderful! __________
| A．With pleasure. | B．I hope so. | C．Why not? | D．Have a good time! |
You had better _______ wine because you have to drive back home.
| A．not drink | B．don’t drink | C．not to drink | D．won’t drink |