◎ 题干
You must wait ______ line when you are waiting ______ a bus.

[     ]

A. on, in
B. in, for
C. in, on
D. on, for
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“You must wait ______ line when you are waiting ______ a bus.[ ]A. on, in B. in, for C. in, on D. on, for …”主要考查了你对  【介词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。