Our country did a lot about the drunk-driving, and it took some time ____ the si
题型：不详难度：来源：
Our country did a lot about the drunk-driving, and it took some time ____ the situation got better.| A．after | B．since | C．unless | D．before |
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答案
| D |
解析
| 本题的含义为我们的国家做了许多有关醉酒驾驶的事，在情况变好之前花费了一些时间，before表示在……之前的含义，故本题选D。 |
举一反三
| You are a student_________ I am a student. |
| Turn on the TV or open a magazine ______ you will often see advertisements showing happy, balanced families. |
It has been 60 years ______ the two countries established diplomatic ties.| A．that | B．after | C．from | D．since |
|
| Paul had to write a history paper, _____ he couldn’t find time to do it. |
___we do this today or tomorrow doesn’t make much difference.| A．When | B．Whenever | C．Whether | D．If |
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