One of my friends studies art 为什么这里的study是studies?

one of my mine=one of my friends? 英语作文 one of my best friends Jim is one of my ciosely friends One of my best friends 作文, As one of my friends says one of my friends 和 the one of my friends的区别 One of my friends等于a friend of mine吗? one of my friends 后接is .most of my friends 后接are 对吗 One of my friends often ___ (worry) about her lessons. jack is one of my best()A friendB friends Here is a letter from one of my pen friends. Lily is one of my ___(good)friends one of my friends are an american改错 The reporter is one of my friends 同意句 mr smith is one of my best friends是什么意思 Mr Brown ( ) one of my friends填什么 He is one of my friends.的同义句 Tiis is one of my friends的同义句