You were rude to your sister, you should make an apology to her.A. whomB. for whichC. for

发布时间：2020-08-17 01:19:41

You were rude to your sister,     you should make an apology to her.
A. whom
B. for which
C. for whom
D. which

网友回答

A. whom
(答案→)B. for which
C. for whom
D. which
解析：考查从句，从句you should make an apology to her不缺少成份，for which相当于why，所以选B
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