He felt upset at upsetting the cup为什么upset后面要加at

He felt upset at upsetting the cup为什么upset后面要加at I felt so upset at that moment but I could say nothing to my parents 翻译 he felt English(bore)at first Only a few people spoke to Robet at the party ,so he felt ---- and looked a little upset.A made out B sorted out C left out D put out Knowing the result of the exam,he went home and lay in bed,______.A.upset B.was upset C.felt upset D.and upset老师说是A 求详解 Tom felt upset when he heard the news．（对划线部分提问）划线的是upset.___ ___Tom feel when ...Tom felt upset when he heard the news．（对划线部分提问）划线的是upset.___ ___Tom feel when he heard the news he felt even _____(angry)at what hie son said The writer had lost his money.He felt upset.He must have been worried.请问:为什么要用have been,好象不是被动语态啊 No wonder he's upset! I felt very upset,so please leave me alone the more we closed,the more I felt upset He felt unhappy,_____he? At last his dream didn't come_____ (ture),he felt very unhappy. Tom felt good about ___(he)and became a top student in his class at last upset sb at sth upset sb about sth upset sb over sth 1.Alfred Nobel_____died at birth,is remembered and respected long after his death because of the Nobel Prize. A.who felt he should B.who felt he should alfred nobel _____ died at birth,is remenbered and respected long after his death because of the nobel prizeA.who felt he shouldB.who felt he hadC.who felt he should have upset?