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—Mustwecollectthewastepaperandbottlesnow?— .Youc...
问题详情:—Mustwecollectthewastepaperandbottlesnow?— .Youcandoitafterclass. A.Yes,youmust B.No,youneedn’tC.Yes,youmay D.No,youmustn't【回答】B知识点:口语应用题...