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.