While the police(leave) the scene of the crime,they_(attack) suddenly.

分类: 作业答案 • 2022-01-09 18:03:03

问题描述：

While the police____(leave) the scene of the crime,they_____(attack) suddenly.
动词填空第一空用were leaving 还是left?为什么?

答

were leaving 意为“当……时候,和……同时”,引导时间状语从句
警察离开犯罪现场的同时,他们突然展开了攻击.

While the police____(leave) the scene of the crime,they_____(attack) suddenly.