1、You are my aunt's friend?

2、My brother in school a lot of good friends?

楼上说话客气点咯,人家就是应为好学才问的,要鼓励!谢谢你的提问

(1)你是我阿姨的朋友吗?

Are you my aunt's friend?

(2)在学校我哥哥有很多好朋友?

My brother has a lot of good friends at school.