根据句意完成句中所给首字母的单词，将每个完整的单词写在后面的横线上。

1. He b________ a book from the library yesterday.          

2. Light music often makes us feel r________.               

3. The air w ill get much f________ when you open the window.

4. My parents are s________ money to buy a new house.        

5. The Olympics will be h________ in London next year.      

青少年是权利的主体。