We have to work extra hours to finish our plan, _______ the boss can’t allow us

题干

We have to work extra hours to finish our plan, _______ the boss can’t allow us to take a day off tomorrow.

A．so

B．or

C．and

D．but

上一题下一题 0.85难度单项选择更新时间:2013-06-06 09:30:16

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