As he______to submit the accounting report before 4: 30 pm, the assistant hurrie

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问题 As he______to submit the accounting report before 4: 30 pm, the assistant hurried to Mr. Smith’s office.

选项 A、was required
B、had required
C、requires
D、required

答案 A

解析本题考查被动语态。本句的时态是一般过去时。在As引导的原因状语从句中，主语he和动词require是被动关系，因此应使用过去时被动语态。一般过去时的被动语态构成：was／were +done，故选A。

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