Water is to fish ---------oxygen is to human beings.横县应该填什么,为什么 请详解,
问题描述：
Water is to fish ---------oxygen is to human beings.横县应该填什么,为什么 请详解,
答
what，水之于鱼犹如氧气之于人类
答
as
what句型是a to b is what c to d
water to fish is what oxygen to huamn