Who is a middle school student?

Who is a middle school student? Who is （ ) the middle? 我这里有两句话：1、My uncle is a teacher in a middle scho我这里有两句话：1、My uncle is a teacher in a middle school in Ji'nan.2、she's an English teacher at a middle school.我有几个问题：1、第一句话中为什么要用in There is a middle 选择题 who is ----- boy in the middle? A.a B.the为什么这么选,理由 帮我看看这篇英语自我介绍有没有错误!good morning every body I am very glad to introduce myself to all of you .my name is liruixian.I am 16.I come from No.2 Middle scool.it is no doubt that I am happy to be a member of No.1 Middle Scho Middle school is going to use a new way to decide who the best students are in your class. Who is______the middle? she is a student____NO.2 Middle School he is a( ) middle school student she is in a middle school Tom is a middle school student . David Black is a middle school student. Nick is a middle school student. 用介词填空.1.Who is _duty today?2.What class are you_?3.His father is a teacher_ No.4 Middle School.4.Look!Who is the boy _the picture.5.Welcome_ China,Mr.Green. 英语翻译a population rise among Chinese teenagers will create challenges for crowded middle school,states the ministry of education.the number of students who will finish junior middle school is expected to reach 20 million next year and rise by 英语翻译a population rise among Chinese teenagers will create challenges for crowded middle school,states the ministry of education.the number of students who will finish junior middle school is expected to reach 20 million next year and rise by 介词填空 who is____duty today?what class are you______?his father is a teacher ______NO.4middle schoolwelcome ______china,mr green