---- Could I take a few days’ leave, sir?----- I’m afraid you can’t ___________

题干

---- Could I take a few days’ leave, sir?
----- I’m afraid you can’t ___________ the work is being done.

A．until

B．before

C．after

D．as

上一题下一题 0.64难度单项选择更新时间:2012-11-01 04:10:55

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