What role I am in your world?

What role I am in your world? I am in the nose.what am who can explain this sentence for me I am writing in reply to a letter I received from you a few days ago.here i have some puzzles.what does the in mean?what role does it play It was years later that I finally understood what role modeling piayed in your life为什么role 置于play 前面? I am only a s upporting role I'm in your nose,What am I am in Beijng,what about .I am white.You can drink me.I am in the dairy group.What am I I am what I am yo what up do i know you What class are you in?I am in ( ) 六年二班 when i am in my blue,what should i do? I am live in singapore,what should I do? What should I ______ (do) when I am in trouble? I am small. I can fly. I like singing in the sky. What am I what am I? I live in the cloud .I look like a ( ).I am white ang I am beauti I am only a supporting role中文意思什么? really need you in my life.No matter what i have to do I’will wait for yo