考试
2020-03-16 06:47:52

2884 Overhead railway, whose t

题目描述

Overhead railway, whose tracks are elevated out of the way of surface traffic, ______one p



Overhead railway, whose tracks are elevated out of the way of surface traffic, ______one possible solution to heavy traffic in big cities.

A.might be

B.might have been

C.have been

D.should have been

请帮忙给出正确答案和分析,谢谢!

答案解析

A本题考查情态动词的用法,题意为,轨道被

加载中...
AI正在思考中,请稍候...