Unit 5 What were you doing when the rainstorm came?要点讲解
重点短语：
1. journey to the west 《西游记》
2. work on 忙于，从事……
3. send sb to do sth .拍某人做某事
4. a good way to solve the problem 一个解决问题的好方法
5. keep doing sth. 一直做某事
keep on doing sth. 坚持做某事
6. give up 放弃
7. instead of sth. 代替;而不是
8. be able to do sth 能够做某事。
9. for the first time 第一次
10. look like 看起来像
