He said it would be at least three more months he could recover and return to school.A. w

发布时间:2020-08-17 01:44:21

He said it would be at least three more months      he could recover and return to school.
A. when
B. before
C. since
D. after

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A. when
(答案→)B. before
C. since
D. after
解析:考查固定句式。要抓住before在…之前的根本意义。本句考查了before的句式“一段时间以后某事才发生”;使用It be 一段时间 before…一段时间以后某事才发生;该句式主要考查时态,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;
本题符合该用法。
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