—Tom,youlooktiredthismorning.What’swrong? —Iwassobusyth...
来源:语文精选馆 5.76K
问题详情:
—Tom, you look tired this morning. What’s wrong?
—I was so busy that I didn’t go to bed _____ 12 o’clock last night.
A. until B. when C. though D. unless
【回答】
A
知识点:相似 相近词比较
题型:选择题