Question

【题目】The security guard(保安) kept the students ________ order while they were walking into the museum.

A. for B. in C. on D. with

Answer 1

【答案】B

【解析】

试题分析：句意：在他们走进博物馆时这些保安让学生按顺序。根据句意及题干分析“按顺序”应是in

Order，故选B。