It's difficult ___ a middle school student to develop a prog

It's difficult ___ a middle school student to develop a prog Bill is a middle school student.Maybe he is ___. Hello, I’m  David. I’m a middle school student. It’s ni 英文翻译成中文,谢谢As a middle school student, it is necessary to bui 翻译翻译Jack a middle school student used to work harder it all in china and usa,grades are used to evalute a student's prog I think it is right ___ a high school student to wear a clea he is a( ) middle school student I am a middle school student... Tom is a middle school student . Who is a middle school student? David Black is a middle school student.