This is a subject ___which we might argue for a long while.
This is a subject ___which we might argue for a long while.
A、with
B、about
C、at
D、in
【正确答案】:B
【题目解析】:考查 “ 介词 + 关系代词 ” 引导的定语从句。 argue about sth 为 …… 而争吵。句中将介词 about 前置。

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