When Jane began to take swimming lessons, her main _____ was the fear of water.
| A．evidence | B．crisis | C．obstacle | D．danger |
After a new reform, the number of the products in the factory is now ________ it was in 2003.
| A．three times as larger as | B．more than three times |
| C．twice as large as | D．as twice large as |
— Has Sam finished his homework today?
— I have no idea. He ________ it this morning.
| A．did | B．was doing | C．has done | D．had done |
— I heard they went skiing in the mountains last winter.
— It ________ true because there was little snow there.
| A．may not be | B．won’t be | C．couldn’t be | D．will be |
The position, however, ________ you are applying, is not quite a wellpaid one.
| A．that | B．for which | C．which | D．to which |
Cultural exchange ________ better understanding.
| A．makes for | B．looks for | C．takes for | D．sends for |