i am looking forward to hearing from you!这里的TO后面应该是用动词原形hear才对啊,为什么用hearing呢

what I am looking forward什么意思 i am looking forward to什么意思 I am looking forward to your I am looking forward to sightseeing 对吗 look forward to 与 look forward for 区别,比如：I am looking forward （ ） it. i am really looking forward to () you again I am looking forward to football match tomorrow.同义句 i am looking forward to going()（ski）this winter Ok I am looking forward to your intevation是什么意思 I am looking forward to working with you I am looking forward to be your good friend I am looking forward to ____ you again.A.seI am looking forward to ____ you again.A.see B.look C.seeing D.looking 讨论：I am looking forward to your reply!I am looking forward to hearing from you!这两句话用在写信上哪一句会更好? I am looking forward to hearing from my brother（改为同义句）I am looking forward to ______ _______ _______from my brother. looking forward i full of 我盼望很快见到你英语.是I am looking forward to还是I look forward to? I am looking forward to hearing from you.中文forward,hearing分别表示什么?词性，中文意思。 I am looking forward to hearing from you.中文forward,hearing分别表示什么?词性,中文意思.