6. The meeting 　　　take place on Tuesday, but we had to put it off.

A. supposed to

B. has supposed to

C. was supposed to

D. has been supposed to

5. Before the Chinese government carried out the family planning, the population of China 　　　rapidly, which slowed down the development of China.

A. broadened　　 B. expanded

C. exchanged　　 D. widened

4. After finishing experiments, we have to put everything　　　 .

A. in order　　 B. under orders

C. on order　　 D. out of order

3. Taking part-time jobs 　　　students’social experience on the one hand, and provides them with opportunities to use the knowledge they have learned from books on the other hand.

A. adds up　　 B. adds up to

C. adds　　　　 D. adds to

2. Things that happened in childhood often help to 　　　our personalities in later life.

A. form　　　 B. establish

C. organize　 D. respect

从每小题的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

1. As we know, iron reacts 　　　water and air 　　　produce rust.

A. to; to　 B. with; with　 C. with; to　 D. to; with

5. 这个十字路口曾经有一个公共汽车停靠站。(used to)

4. 飞机应该在半小时之前到达。(suppose)

3. 我们必须采取一些措施以防止雨进入房间。

(keep ...out of ...)

2. 对学生来说，学好英语是必要的。

(It is+adj.+for/of sb.+to do sth.)