题目内容
—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
A 【解析】 本题符合not···until的结构,表示直到···才,故选答案为A
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题目内容
—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
A 【解析】 本题符合not···until的结构,表示直到···才,故选答案为A