请问Who sings the best in your class?句中的sings为什么要用复数形式.感激不尽

请问Who sings the best in your class?句中的sings为什么要用复数形式.感激不尽 among all the students,Joyce sings best 分析一下每个词句子成分结构It is she who sings the best in my class Who( )( )( )sings the best in your class?空应该填什么?含义是你认为你们班谁唱歌最好 Lily and Jane are both good at singing.-- Who sings A.nice B.well C.better D.the best who sings best in your class 怎么回答 Who sings the song改为被动语态 Who can sings the Engklish song?改错 who sings most beautifully of the three?的翻译 Who can sings the English song找出错误并改正 --Who sings best in your class?--Mary___________A.did B.doesC.willD.has 初三英语：Who sings best in your class?Kate ___ 空格处为什么要填did? Bill sings best in our class为什么best不加 the who is the best man Who is the best actor? Who the last laugh,who laughs best! jenny sings the best in her class保持原句意思 jenny sings ___ ___ _____ ____student in her class 1.mots,like,computer,playing,students,games.2.exercise,four,week,a,times,I.3.who‘s students,the,English,best,4.Lucy,sings,once,week,a,or,twice,songs.