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  3. A man escaped from the prison last night. It was a ling time______the guards discovered what had happened.

A man escaped from the prison last night. It was a ling time______the guards discovered what had happened.

admin2010-12-05  41
问题 A man escaped from the prison last night. It was a ling time______the guards discovered what had happened.
选项 A、before
B、until
C、since
D、when
答案A
解析 句意：昨晚一个人逃狱了。没过多久，守卫就发现了这件事。考查“It+be+时间+before-clause”句型。
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考研英语一

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