用所给词的适当形式填空。

1. Some __________ (read) are going to eat more __________ (vegetable).

2. Three students __________ (make) their New Year's r__________ yesterday.

3. They __________ (build) a bridge over the river two years ago.

   And they__________ (build) another one next year.

4. Look! That's our new teaching __________ (build). It's great.

5. She wants to find a job as a l__________ teacher in China.

6. __________ (lady) and gentlemen! Please keep quiet.

7. Every year a lot of ___________ (foreign) come to China.

换热器置换时，应先确认换热器（）、（）程高点（）、低点（）打开。