The collected money should be made good use __________the people who suffered a lot in the earthquake.
| A．of helping | B．to help | C．to helping | D．of to help |
With the Spring Festival coming, the _________ in the street becomes more and more delightful.
| A．air | B．surrounding |
| C．environment | D．atmosphere |
This English dictionary is expensive, but it is of ________.
| A．useful | B．great use |
| C．no use | D．useless |
Unemployment is a major cause of poverty.
| A．主修的 | B．大量的 |
| C．主修课程 | D．主要的 |
Tom gave Helen an apple in exchange for a piece of cake.
| A．交换 | B．改变 |
| C．娱乐 | D．教育 |
He sat down at his desk to figure out the exact figures.
| A．图表 | B．数字 |
| C．体形，身材 | D．人物 |