题目内容
【题目】—Mark,you look so tired.
—Oh,I didn’t go to bed________it was 12 o’clock last night.
A. unless
B. after
C. until
D. as
【答案】C
【解析】not…until是固定搭配,意为“直到……才”。
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题目内容
【题目】—Mark,you look so tired.
—Oh,I didn’t go to bed________it was 12 o’clock last night.
A. unless
B. after
C. until
D. as
【答案】C
【解析】not…until是固定搭配,意为“直到……才”。