“she likes dogs”,该句中dog为什么要加s呢?

“she likes dogs”,该句中dog为什么要加s呢? She likes dogs best. He likes dogs.(改为复数句） He likes dogs.(改为复数句) bob likes dogs best (同义句） Lily likes dogs very much.（同义句） 连词成句likes,and,dogs,are,piay,Linda,usually,with,dogs,the,to,friendly 英语连词成句 likes,and,dogs,are,play,linda,usually,with,dogs,the,to,friendly[.] likes.and.dogs.are.play.Linda.usually.with.dogs.接:the.to.friendly 连词成句 Linda.and.dogs.are.play.likes.usually.with.dogs.the.to.friendly（.）连词成句 He likes dogs,too.的同义句：He __ __ dogs She likes flower复数句 She likes dogs as much to cats as she does这句话如何还原? likes she potato likes tomato too she 连词成句 she is such a beautiful girl that everyone likes her该同义句 Does she likes dogs?这句话对吗?第三人称单数后的like要加s吗? Mary is a nice girl and she likes dogs very much.翻译 My sister likes dogs very much,so she ____ one at hometakes buyskeeps have