The government has taken some measures to solve the shortage of electricity, but
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
| D |
解析
试题分析：考察固定句式。固定句式：It be 一段时间 before…一段时间以后某事才发生；如果before后面使用一般现在时，前面的主语使用将来时；如果before后面使用一般过去时，前面也使用一般过去时。句意：政府已经采取措施来解决电量短缺的问题，但是也许要一段时间以情况才会有所改善。故D正确。
点评：固定句式的考察是时态以及连词考察的重点，本句中的固定句式：It be 一段时间 before…一段时间以后某事才发生；如果before后面使用一般现在时，前面的主语使用将来时；如果before后面使用一般过去时，前面也使用一般过去时。 |
举一反三
It must have rained last night, ________ the ground is wet now. | A．for | B．because | C．since | D．now that |
|
—I wonder how much you charge（要价） for your services.
—The first two are free the third costs￥30.| A．while | B．until | C．when | D．before |
|
| I admit that there are problems, I don’t think that they can’t be solved. |
Tom sat under a tree and seeing his friend, _____ up in no time.| A．to stand | B．standing | C．stood | D．would stand |
|
Super Lin Dan has become a world-famous badminton player. It is years of hard training and efforts, I think, _____ has made him ______he is today.| A．that; what | B．what; what | C．what; that | D．which; what |
|
最新试题
热门考点