问题补充:
—Tom, you look tired this morning. What’s wrong?
—I was so busy that I didn’t go to bed12 o’clock last night.
A. until
B. when
C. though
D. unless
答案:
(答案→)A. until
B. when
C. though
D. unless
解析:本题符合not···until的结构,表示直到···才,故选答案为A
时间:2019-07-21 04:46:39
—Tom, you look tired this morning. What’s wrong?
—I was so busy that I didn’t go to bed12 o’clock last night.
A. until
B. when
C. though
D. unless
(答案→)A. until
B. when
C. though
D. unless
解析:本题符合not···until的结构,表示直到···才,故选答案为A