Answer:
I speak without a mouth and hear without ears. I have no body but I come alive with wind. What am I?
I am always in front of you, but you will never see me. What am I?
I belong to you but others use me more often than you do. What am I?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
My first half means container. Not a lot of people understand my language. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.