He didn't go to sleep ______he finished his homework.C. aHe didn'_英语解答

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?

人气：475 ℃　时间：2020-03-15 08:29:01

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