joan bursted into tears when she heard the bad news为什么把burst

joan bursted into tears when she heard the bad news为什么把burst 请把下列句子改为时间状语从句：Hearing the news,she burst into tears When we heard the news,we burst into loud ( ) ______the news, the girl burst into tears She __________ in tears when she heard the news. The moment she learned the news she burst into tears.这里momen when he hearing the news.he burst into tears?怎么改错 hearing the sad news ,she _____ a.burst into tears b.cries 选 1.when she heard the bad news,she ______ completely When she heard the bad news ,she c________sadly The girl cried ( ) (sad) when she heard the bad news. ( )hearing the news,he burst into tears请问填什么介词,为什么不能用after