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259.onthebusIsawastudentIthoughtwasyourbrother.A.whoB.whomC.whichD.whoever

题目详情
259.on the bus I saw a student ______ I thought was your brother.A.who B.whom C.which D.whoever
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答案和解析
选A填的词要能做was your brother的主语,只能是who(A)