—When did you get to know the professor over there? —It was at the work shop

题干

—When did you get to know the professor over there?
—It was at the work shop we did reserch to gether two years ago.

A．that

B．there

C．which

D．where

上一题下一题 0.64难度单项选择更新时间:2011-05-27 04:14:42

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