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![—What’sinmybackpack? —Abook?—Yes, Englishboo...]( "—What’sinmybackpack? —Abook?—Yes, Englishboo...")
—What’sinmybackpack? —Abook?—Yes, Englishboo...
问题详情：—What’sinmybackpack? —Abook?—Yes, Englishbook.A.a B.an C. / D.the【回答】B知识点：冠词题型：选择题...
