each boy and girl; each boy and each girleach boy and girl;each boy and each girl后面各用什么数?

问题描述:

each boy and girl; each boy and each girl
each boy and girl;
each boy and each girl
后面各用什么数?

each boy and girl 复数
each boy and each girl 单数

都是用单数三人称形式1、each(every)+ 单数名词 + and + 单数名词,此时谓语动词用作单数,如:Each boy and girl has come and will sign his full name before attending the ceremony.2、each(every)+ 单数名词 + a...