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问题详情

The emergency required that all the tasks ____________ at least two days ahead of time.

A、to complete

B、should complete

C、be completed

D、should have been completed

时间：2021-07-17 22:58 关键词：连锁经营管理大学英语2 201902、202001级第二学期期末考试

答案解析

C

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