问题
选择题
You were very impolite to him, for ______ you should make an apology to him, I think,
A．this
B．which
C．what
D．that
答案
答案：B
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You were very impolite to him, for ______ you should make an apology to him, I think,
A．this
B．which
C．what
D．that
答案：B