某小白的两个英语问题...

问题描述:

某小白的两个英语问题...
1.laugh about 和laugh at 有什么区别?
2.填空:
我只是刚到,所以我没有等很久.
I’ve just got here myself,so I wasn't ___ ___ ___.(三空)

laugh about 纯粹是笑...laugh at 是笑话,嘲笑,贬义的...
waiting very long