◎ 题干
—I bought this shirt for 35 yuan yesterday.
—It’s on sale today for only 29. You should have waited.
—Oh, really? But how ________ I know?
A.wouldB.canC.didD.do
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You should have waited. —Oh, really? But how ________ I know? A.wouldB.canC.di…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。