I am hearing her sing和I am listening to her sing.有什么区别

I am hearing her sing和I am listening to her sing.有什么区别 I am ofem/I often和hearing/listening的区别? I am her.But I can.nothing.A.listening,hear.B.listening to,hear.C.hearinI am her.But I can.nothing.A.listening,hear.B.listening to,hear.C.hearing,listen to.D.listening to ,listen to i haven't heard from her for a long time什么时态?haven't heard 换成didn't hear、don't hear或者am not hearing 为什么? I am looking forward to hearing from you hearing from you 在句子里又是什么? 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. 关于句子结构 I am looking forward to hearing from you.这个句子中的hearing from 是作为宾语吧? i haven't heard from her for a long time什么时态?haven't heard 换成didn't heard可以吗/用don't hear或者am not hearing 为什么? I am looking forward to hearing from you?汉语是什么意思啊?快点,急!谢谢答谢帮忙. 翻译 I am looking forward to hearing from you We ordered the textbooks from a bookstore i am different from her什么意思 I am lazier than her同义句 i am not her什么意思啊 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 I ___someone calling me when i got off the busA.hear B.heard C.have heard D am hearing she is my sister but i am not her sister ,i am her __ she lost her hearing b_____of a fever.