Question

根据句意，在每个句子的空白处填入一个适当的词，使句子意思完整，语法正确。

1. If the factory keeps on pouring waste water into the river, the river will become very __________.

2. The famous writer is writing a book __________ the environment.

3. We should do something to improve our environment, not to __________ it.

4. There will be a big party at Ann’s house. Would you like to __________ us?

5. I’m __________ of dogs, so I never come near a dog.

6. I joined the Party the day before yesterday, so I’m a __________ of the Party now.

7. Don’t __________ __________ the trees, or the wind will blow the earth away.

8. She has to stay at home, __________ she?

9. We have been __________ Canada four times.

10. It’s not polite to spit in a __________ place.

 

Answer 1

答案：
解析：

8. 前句为一般现在时且主语为单数第三人称, 所以用doesn’t。 9. have been to somewhere  意思是“去过某地”。

提示：

1. dirty  2. on  3. harm  4. join  5. afraid  6. member  7. cut down  8. doesn’t  9. to  10. public