【英语】the invention ( ) took her 2 years will do well to the world.
the invention ( ) took her 2 years will do well to the world.
A.which B./ C.on which D.it
我知道选A
人气：282 ℃ 时间：2019-10-19 07:20:01
解答
这里是定语从句,且从句在后面做主语
由which引导,it不能引导从句
花了她两年时间的这个发明将有利于这个世界
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