Bread and butter _____ their daily food.为什么答案填is,应该填are吧.
问题描述：
Bread and butter _____ their daily food.为什么答案填is,应该填are吧.
怎样判断and两边是一个整体还是两部分
答
bread and butter 作为一个整体,指黄油面包
怎样判断?三个字,很简单：靠积累