This is just ten years after it --- fivebillion.

问题描述:

This is just ten years after it ___ fivebillion.
A.reach B.reached C.got D.get
选什么?为什么?
1个回答 分类:英语 2014-11-01

问题解答:

我来补答
This is just ten years after it _B.reached __ five billion
it is /this is +一段时间+after+一般过去时 . 意思是,过了多久才干什么.
 
 
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