Which of us ______ knows something about physics does not know this?A.whoB.whatC.whomD.tha

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Which of us ______ knows something about physics does not know this?

A.who

B.what

C.whom

D.that

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。