4. raise money (for charity) (为慈善机构)募捐,筹钱
3. a pair of 一双,一副,一把,一条
2. a skating marathon 滑冰马拉松
1. how long 多长,多久
9. in order to 为了
Unit 6 How long have you been collecting shells?
8. hope to do sth. 希望做某事
= wish to do sth.
7. make predictions 做预测
6. see sb. doing sth. 看见某人在做某事
see sb. do sth. 看见某人做了某事
5. make friends (with) (和……)交朋友
4. the dinning room 餐厅