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问题详情

Please ___________that all the lights are switched off at night

A、assure

B、be sure

C、ensure

D、get sure

时间：2021-09-01 22:36 关键词：青书学堂陇东学院大学英语2(专升本) 大连工业大学视觉传达设计高起本大学英语2 21级2学期期末考试

答案解析

C

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