( )hearing the news,he burst into tears请问填什么介词,为什么不能用after

hearing the news,we felt very surprised. Hearing the bad news ,he felt (u ) After hearing the good news,the girl jumped( )( )[惊奇地] hearing the news ,he was w____ with joy he felt sad after hearing the f____ news On hearing the bad news,she couldn't help crying. Mum looks much _____(sad)after hearing the bad news . After hearing the bad news,they all went home( )默默地 She fainted on hearing the news 有无语法错误? Hearing the bad news,we f________ very sad Mum didn't say anything after hearing the news=Mum ____ ________ after hearing the news hearing the news we felt very surprised这里为什么用hearing而不用hear? Hearing the exciting news,he cried rather than smiled.为什么用hearing而不用hear? After----the bad news,all the people remained-----A.heard；silentB.hear；silentC.hearing；silentlyD.hearing；silent Hearing the news,they felt very excited这个为什么是状语从句,不好意思，写错了，我要问的是hearing the news为什么是时间状语 After hearing the news,she jumped with joy.大神们帮帮忙After hearing the news,she jumped with joy.(改为状语从句) He seemed ____on hearing the news.英语急!He seemed ____on hearing the news. A. carefully B. happy C.hurry D. worry 选哪个?为什么? he was angry when he heard the news. he was angry ___the news.1 with hearing 2 in hearing 3 on hearing 4 for hearing 选择哪一个,及分别说出每个为什么对与错