◎ 题干

23.  --- Where ____ the recorder? I can’t see it anywhere.
--- I ____ it right here. But now it’s gone.
did you put; have set up     B. have you put; put
C. had you put; was putting     D. were you putting; have put
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◎ 知识点
    根据n多题专家分析,试题“23. --- Where ____ the recorder? I can’t see it anywhere.--- I ____ it right here. But now it’s gone.did you put; have set up B. have you put; putC. h…”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。