I first met Mr Smith in America. He ________ at Stanford University then.A．studi_刷题宝

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I first met Mr Smith in America. He ________ at Stanford University then.

A．studied	B．had studied
C．is studying	D．was studying

上一题下一题 0.64难度单项选择更新时间:2013-05-08 03:48:29

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