All that can be eaten( )eaten upA are beingB has been C had beenD have been 问一下all为什么

分类: 作业答案 • 2023-01-21 19:34:25

问题描述：

All that can be eaten( )eaten upA are beingB has been C had beenD have been 问一下all为什么
后面加单数,all什么时候后面加单数,什么时候加复数?

答

首先由can be判断时态为一般现在时
其次all代表一个整体,视为单数,因此选Ball是根据意思来确定是代表一个整体还是不代表一个整体吗?是的。