How soon would be the water reach his feet?翻译

问题描述:

How soon would be the water reach his feet?翻译

还要多久水会没到他的脚?
是到不是过

还要多久水会没过他的脚?

再过多久水就会没过他的脚

如何尽快将水到达他的脚(要求)?