A
若each放在复数名词和代词后作同位语,谓语动词为复数形式.
比如：We each have our own office.(作We的同位语)我们各有各的办公室.
若each作为形容词,修饰单数名词,谓语动词为单数形式.
如：Each man carries his own bag.（修饰单数名词）各人背自己的包.
若作为代词,单独使用,谓语动词为单数形式.
Each of them has got ready for the picnic