辛沛沛NO-BOOK 傻瓜机从零开始学英语--Unit 45 I don't know.

 

Unit¹ 45   I don't know.   

I know.   我知道了。

I know.   我知道了

I know.   我知道

I know.   我懂了。

I don't know.   我不知道。

I don't knw.   我不知道。

I don't know.   我也不知道。

I don't know.   我可不知道。

1 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。