Airline companies today require that all luggage______more strictly.

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问题 Airline companies today require that all luggage______more strictly.

选项 A、be inspected
B、inspected
C、inspect
D、are inspected

答案A

解析 这是一道语法题,考点是require的宾语从句中要用动词原型表示虚拟的用法。这里行李是被检查,因此要用动词原型的被动语态。
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