用所给词的正确形式填空。

1. The boys like to listen to music when they do ____ (they) homework.

2. My mother's work is ____ (make) our city safe.

3. One day, Mr Green asked Mrs Green       _ (go) shopping with him.

4. We would brush our ____ (tooth) twice a day.

5. This book is the lightest and          (thin)  of all the books.

6. She is ____ (good) than Alice at swimming.

7. Janet ____ (get)  up at 7:30 am every day, so she is always late for school.

8. I think the ____ (four) lesson is the most difficult in this book.

9. Look at the sign. The library is ____ (close) from 1:00 pm to 2:00 pm.

10. Jason is used to          (watch) TV the whole night.

短鱼顶打捞筒当内外螺纹锥面吻合，并有（），简体便给卡瓦以夹紧力，迫使卡瓦内缩夹紧落鱼，即所谓抓捞。

A.钻压

B.悬重

C.上提力时

D.冲击力时