---------- of the children has a picture book.( )

问题描述:

---------- of the children has a picture book.( )
A.all B.Every C.Each
“of”前面填什么?特别是“all”和“each”怎么区别它.

C.用all后面要用复数,指的是全部.each指的是每一个,用的时候谓语要用单数