New procedures for the operation of the security system will______to ensure that there are no more delays in accessing the build

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问题 New procedures for the operation of the security system will______to ensure that there are no more delays in accessing the building on weekends.

选项 A、introduce
B、introducing
C、introduction
D、be introduced

答案D

解析 will后接动词原形,因主语new procedures与introduce之间是被动关系,故选被动语态(D)be introduced。
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