根据首字母提示及句意填入适当的单词。

1. What an unusual e_____ he had!

2. What do you usually do in your s_____ time?

3. My little brother spends most his money collecting m_____ planes.

4. The stone is 200 p_____.

5. Don't p_____ the door. Look it says “push”.

6. The sun has ten p_____.

7. The workers have b_____ many tall building so far.

8. Everyone can do something good for the s_____ if he wants.

9. What a t_____ animal!

10. It was d_____ that many animals were in danger.