i have been a teacher for twenty years.

问题描述:

i have been a teacher for twenty years.
i ___ a teacher twenty years ___ (保持句意不变)
1个回答 分类:英语 2014-10-19

问题解答:

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I have been a teacher for twenty years.
我已经做了20年教师了.
I _became__ a teacher twenty years __ago_ .
 
 
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