We'll have a class meeting. Don't leave the classroom ______ 6 o'clock. [ ]A. to B. u

题目简介

We'll have a class meeting. Don't leave the classroom ______ 6 o'clock. [ ]A. to B. u

题目详情

We'll have a class meeting. Don't leave the classroom ______ 6 o'clock.

[      ]

A. to
B. until
C. at
D. in
题型:单选题难度:中档来源:期末题

答案

B

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