根据句句意完成以下句子。

1. Now women in China _____ an important _____ in the Olympic Games (起…作用).

2. The boss wants to know what you will _____ _____ this thing. (处理)

3. He felt bad at first, but after a short time he _____ _____ living here. (适应/习惯)

4. _____ _____, the more expensive the camera is,the tetter it's quality is. (一般地说)

5. This book will be of _____ _____ to the students of English. (很有用)