· Unit 9知识点
重点短语
1. prepare for an exam=study for a test 备考
preparation(prepare 的名词形式)
2. go to the doctor 去看病
3. have the flu 得了流感
4. another time 其他时间
5. thanks for asking 谢谢邀请
6. go bike riding 去骑车
7. hang out with sb.
和某人一起出去闲逛
hung (hang 的过去式)
8. the day before yesterday 前天
9. the day after tomorrow 后天
10. on weekdays在工作日
11. look after his sister照顾他妹妹
12. accept an invitation接受邀请
13. make an invitation 发出邀请
14. turn down/refuse an invitation 拒绝邀请
15. reply to the invitation回复邀请
16. be sad to do sth. 很伤心做某事
sadder; saddest(sad 的比较级与最高级)
17. the best way to do sth. 做某事最好的方法
