I really don’t know ___ ___I kept the secret papers.A．where was itB．it was where_刷题宝

题干

I really don’t know ___ ___I kept the secret papers.

A．where was it

B．it was where that

C．where it was that

D．where was it that

上一题下一题 0.15难度单项选择更新时间:2012-07-05 11:47:29

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