7. go down on one's knees 跪下

6. tear up 撕毁

5. as far as I know 就我所知

4. go about 着手干

3. at the mercy of 任由……摆布

2. have mercy on 对……表示怜悯

1. pay back 偿还

32. square adj. 平方的 n. 广场

☆重点短语☆

31. quality n. 数量

30. accompany vt. 陪伴