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The pilot asked all the passengers on board to remain _____ as the plane was making a landing.

A、seat

B、seating

C、seated

D、to be seating

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) 大连工业大学工商企业管理高起专大学英语2 作业21

答案解析

C

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