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_____scoresoftimes,buthestillcouldn'tunderstandit.A.HavingexplainedB.HavingbeenexplainedC.ThoughitwasexplainedD.Itwasexplained为什么不选B呢?
题目内容:
_____scores of times,but he still couldn't understand it.
A.Having explained
B.Having been explained
C.Though it was explained
D.It was explained
为什么不选B呢?优质解答
D
因为后面用了but,所以前面的句子一定要是一个独立的句子,只有D是一个独立的句子.
A.Having explained
B.Having been explained
C.Though it was explained
D.It was explained
为什么不选B呢?
优质解答
因为后面用了but,所以前面的句子一定要是一个独立的句子,只有D是一个独立的句子.
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