— Tom. Why do you look so tired? — Because I often study late ______ 10 o'clock at night.[ ]A.

题目简介

— Tom. Why do you look so tired? — Because I often study late ______ 10 o'clock at night.[ ]A.

题目详情

— Tom. Why do you look so tired?
— Because I often study late ______ 10 o'clock at night.

 [      ]

A. before
B. by
C. until
D. at
题型:单选题难度:偏易来源:山东省期末题

答案

C

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