It is about five years----the Green family came to China.A,s

问题描述:

It is about five years____the Green family came to China.A,since B,before C,until.为什么选A
1个回答 分类:英语 2014-10-28

问题解答:

我来补答
这是个常用的句型:
It is + 时间段+ since时间从句(用一般过去时)
自从.以来已经有.长的时间了.
 
 
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