a little boy was drowning but that policeman dived in the river and saved him

分类: 作业答案 • 2021-12-20 10:04:15

问题描述：

a little boy was drowning but that policeman dived in the river and saved him
为什么是was drowning 、不是but 前后时态一致的么.何况小孩是在警察叔叔救他之前淹到的还ing?

答

这里的was downing,是用进行时表示即将发生的动作.“就要淹死”的意思.

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