Shortly after the accident,dozens police were sent to the spot to keep order.什么地方错了?

问题描述:

Shortly after the accident,dozens police were sent to the spot to keep order.什么地方错了?

Shortly after the accident,dozens of police officers were sent to the scene to restore order.

Shortly after the accident,dozens OF police were sent to the spot to keep order
事故发生后不久,众多民警赶往现场维持秩序.