Science and technology have in important ways __________ the improvement of agricultural production.
| A．contributed to | B．resulted from | C．carried off | D．handed over |
Her father ______ of her going to the west and working as a teacher in a poor mountain village.
| A．motivated | B．supported |
| C．approved | D．shared |
—Look at these black clouds. It ______ soon.
—Sure. If only we ______ out.
| A．is raining； didn't come |
| B．is to rain; won't start |
| C．will rain; haven't started |
| D．is going to rain; hadn't come |
We thought the examination would be difficult, but it ______ easy.
| A．turned | B．resulted |
| C．appeared | D．proved |
He has some ______ with English, but he doesn't speak it fluently.
| A．resistance | B．acknowledgement |
| C．acquaintance | D．access |
His business was very successful，but it was at the ______ of his family life.
| A．consumption | B．credit |
| C．exhaustion | D．expense |