my heart is beating with hers为什么hers要加s

my heart is beating with hers为什么hers要加s My heart...is beating with hers. My heart is beating with hers,it's beating with he的中文意思 my heart is beating with hers 是哪首歌的歌词? my heart is beating with hers 这首歌是谁唱的? My　heart it's beating with his ... My heart is still beating with yours hers后面可以加be动词吗?比如This cup is not Lily's.Hers is she knows my name and i know hers为什么给her加s This book looks like hers中looks为什么加S 关于hersMy pencil is green,but hers is yellow.这里为什么要用hers 用her This bag is hers. 为什么要用HERS啊 直接用宾语不行吗