The government has taken some measures to solve the shortage of electricity , bu - 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．before

D．unless

答案

解析

考查固定句型。It be 一段时间before 从句，表示一段时间以后某事才发生。Before时间状语从句里用一般现在时表示将来时，主句里可以使用将来时或者情态动词。句意：也许一段时间以后情况才会改善。

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

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