题目内容
—You look so tired today.What happened,Jack?
—I didn't go to bed ________ 12 o'clock last night because there was too much homework.
A. until B. though C. after D. beside
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题目内容
—You look so tired today.What happened,Jack?
—I didn't go to bed ________ 12 o'clock last night because there was too much homework.
A. until B. though C. after D. beside