单项选择题

I'm sorry I don't know his telephone number. I wish I（）.it.

A．have known
B．had known
C．knew
D．know

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单项选择题

So absorbed（）in his work that he didn't realize I was standing behind him.

A．he was
B．did he
C．was he
D．he did

单项选择题

She told me that she（）you in Paris a year before

A．met
B．had met
C．has met
D．would met

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