i'm back to here表语是哪个呢?back to?

Welcome back to here Fed up to the back teeth I'M Come back I'm leaving,to come back.翻译? I'M Coming Back To You 歌词 back to shanghai.back shanghai哪个对 back home.back to home哪个对? I --- back to school. I'm sad to be here watching you all hearing back home这句话是什么意 mum,i think i`m()to get back to school back to back ordering the back to back Back to back