1. The lake is 2,089 meters        (深的) .

5. Everyone in the world should do something to p        the environment.

4. The a       emperors built the Great Wall to protect China.

3. There are some beautiful kites on the w         .

2. China has the biggest p        in the world.

1. A turkey is m       bigger than a chicken.

10.  feel free       

9. as you can see       

8. man-made objects       

7.as far as I know