辛沛沛NO-BOOK 傻瓜机从零开始学英语--Unit 87 What are you doing?
时间：2019-01-20 作者：英语课 分类：辛沛沛NO-BOOK 傻瓜机从零开始学英语
英语课
What are you doing? 你在干什么？
What are you doing? 你在干嘛？
What are you doing? 你干什么呢？
What are you doing? 干什么呢？
What are you doing? 你在干什么？
What are you doing? 你在干些什么？
What are doing? 你在干什么？
What are you doing? 你们在干什么？
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unit
n.单位，单元，部件，元件，装置
参考例句：
This unit is very hard.这个单元很难。
This textbook has twenty units.这本课本有二十单元。