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题目

It _ quite a few years _ the accused was declared innocent and set free.A. was; sinceB. is; thatC. will be; whenD. was; before

It _____ quite a few years _____ the accused was declared innocent and set free.

A. was; since

B. is; that

C. will be; when

D. was; before

题目解答

答案

D. was; before

解析

本题考查固定句型"It takes/was time before..."的用法。核心在于理解before引导的时间状语从句在句中的语义关系。关键点在于：

主句动词时态需与整体语境的时间一致性；
before在此结构中表示"直到...才"，强调时间的延迟性；
排除干扰项时需注意since/that的搭配逻辑及时态匹配问题。

选项分析

A. was; since

错误原因：since通常用于"It has been +时间+ since..."结构，且主句需用现在完成时。本题主句为过去式，与since搭配矛盾。

B. is; that

错误原因：that用于强调句时需完整结构"It was... that..."，但本题后接时间状语从句，需用before表达逻辑关系。

C. will be; when

错误原因：will be表示将来时，但句中描述的是已完成的事件（"was declared innocent"），时态不匹配。

D. was; before

正确性：符合"It was time before..."固定句型，表示"直到...才"，强调经过较长时间后某事发生。主句was与从句过去式完全一致。

句型拓展

基本结构：It was + 时间段 + before...（表示"过了多久才..."）
常见变形：It won't be + 时间段 + before...（表示"预计多久后..."）

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