Bob is in a hopeless situation, ________ we should keep a close eye on.A．whichB．_刷题宝

题干

Bob is in a hopeless situation, ________ we should keep a close eye on.

A．which

B．where

C．that

D．when

上一题下一题 0.4难度单项选择更新时间:2017-02-07 04:25:15

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