用所给词的适当形式填空。

1. Do you know the _________ (long) of the Great Wall?

2. My _________ (idea) school is like a park.

3. My _________ (hobby) are traveling and collecting stamps.

4. Some students don't understand the _________ (important) of studying.

5. Do you often have assembly at the _________ (begin) of a term?

6. Linda is good at climbing and she is a good __________ (climb).

7. We all know that Shanghai is one of the biggest _________ (city) in China.

8. They are the _________ (win) of the football final.

9. You should drive your car _________ (slow) in the city center.

10. — Happy _________ (birth) to you!

      —Thank you.