________they decide which college to go to，students should research the admission procedures. A.As B...
2022-06-01 03:51:13 182次 2020届天津市河东区高三高考模拟试（一）英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________they decide which college to go to，students should research the admission procedures.
A.As B.While
C.Until D.Once
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