You could work out the problem easily now if you ______ absent from the physics

题干

You could work out the problem easily now if you ______ absent from the physics class last Friday.

A．weren’t	B．hadn’t been
C．haven’t been	D．wouldn’t have been

上一题下一题 0.85难度单项选择更新时间:2015-06-05 07:03:21

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