what grade are you in的回答

写出Are you in Grade Three?的否定回答. What's Grade are you in?改错 What grade are you Are you in Grade are you in grade 的意思 Are you in Class One .Grade Seven?(作否定回答) Are you in class one,grade two?如何回答 what,in,grade,you,are连词成句 what class are you in?_________class tow,grade six. what‘s grade are you in?这句的错误在哪,并改正. which grade are you in which grade are you in?