itbethatiskingatthed的知识精选

—Who        itbethatiskingatthedoor?—It        befather...
问题详情:—Who        itbethatiskingatthedoor?—It        befather,butI’mnotsure.A.can;may      B.may;can        C.may;must       D.need;should【回答】A知识点:情态动词...
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