1. 根据句意及首字母或汉语提示完成单词。

1. （1） Walking on the beach makes you feel (放松).

3. （2） Give plenty of p and encouragement.

5. （3） There're sixty s in a minute.
   

7. （4） It's known that the Big Ben is in E.
   

9. （5） You'd better keep s when I take a photo of you.