He didn't go to sleep ______he finished his homework.C. a

He didn't go to sleep ______he finished his homework.C. a
He didn't go to sleep ______he finished his homework.


A. till B. before C. after D. until 选什么,为什么,有什么区别?
英语人气:408 ℃时间:2020-03-15 08:29:01
优质解答
D
这里考的是
not.until...句型,意为:“直到.时候才.”
他直到作业做完才睡觉
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