Gun control is a subject_______ Americans have argued for a long time.A．of which_刷题宝

题干

Gun control is a subject_______ Americans have argued for a long time.

A．of which

B．with which

C．about which

D．into which

上一题下一题 0.64难度单项选择更新时间:2017-02-07 04:36:43

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