The government has taken some measures to solve the shortage of electricity, but - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

The government has taken some measures to solve the shortage of electricity, but it may be some time _______ the situation improves.

A．since

B．when

C．unless

D．before

答案

解析

考查连词用法。“It be+一段时间+before…”是固定结构，该结构的意思是“要过……（长）时间才……”。when“．．．．．．的时候”；since“从．．．．．．开始”；unless“除非”；根据题意D最佳。

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试题【The government has taken some measures to solve the shortage of electricity, but】；主要考察你对连词等知识点的理解。[详细]

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