The road is under construction and that is _____ he hasn't arrived. [ ]A. the reason at which B

题目简介

The road is under construction and that is _____ he hasn't arrived. [ ]A. the reason at which B

题目详情

The road is under construction and that is _____ he hasn't arrived.

[     ]

A. the reason at which
B. why
C. the reason which
D. what
题型:单选题难度:偏易来源:期末题

答案

B

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