问题标题:
【LastyearWangHuaamiddleschoolstudent_______totakepartinthemathcompetition.A.ischoosingB.ischosenC.waschoosingD.waschosen】
问题描述:
LastyearWangHuaamiddleschoolstudent_______totakepartinthemathcompetition.
A.ischoosing B.ischosen C.waschoosing D.waschosen
沈德安回答:
D
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