题目内容
【题目】Gun control is a subject ___________ Americans have argued for a long time.
A. of which B. with which
C. about which D. into which
【答案】C
【解析】argue about sth.争论某事;argue with sb.与某人争论。句意:枪支的控制是很长时间以来美国人争论的话题。
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