1. 按照要求高些下列句子。

1. （1） Walking along the seashore is very pleasant.(改为同义句)

   very along the seashore.

3. （2） There are five million people in our city.(对划线部分提问)

   are there in your city?

5. （3） In order to protect the environment, we turn off the light when we leave the room.(改为同义句)

   We turn off the light when we leave the room we can protect the environment.

7. （4） My home is not far from my school.(改为同义句)

   My home is my school.

9. （5） I have known David for over 20 years.(改为同义句)

   I have known David for 20 years.