i stopped to listen,and my son seemed(to be enjoying)himself shut in the living room为什么要用be?

they stopped to listen,but heard nothing. 英语翻译I stopped to watch... we stopped （ ）,but heard nothing是to listen 还是to listen to i stopped to listen,and my son seemed ___himself ___in the living roomto enjoy to shutto be enjoying shuttingto be enjoying shu to have enjoyed having shut we stopped ---------,but---------nothing(七年级下册选择题）A.to listen;heardB.listening;listenedC.listening;heardD.to listen;listen we stopped ---------,but---------nothing(七年级下册选择题）A.to listen;heardB.listening;listenedC.listening;heardD.to listen;listen i stopped to listen,and my son seemed(to be enjoying)himself shut in the living room为什么要用be? I stopped to listen,and my son seemed _________ himself _________ in the living room.A.to enjoy,I stopped to listen,and my son seemed _________ himself _________ in the living room.A.to enjoy,to shut B.to be enjoying,shutting C.to be enjoying,shut D. The little baby stopped to cry and began to listen to music.（改错题） I listen to music( )home. We stopped （ ） but couldn’t （ ） anythingA、to hear,listenB、listening,hearC、to listen,hearD、hearing,listen 6.When class began,we stopped _____ to the teacher carefully.A.listening B.listen C.listens D.to listen stopped( ),but there was no sound.A listeningB hearingC to hearD to listen We stopped ( ),but heard nothing.A listening B hearing C to listen D to hear The policeman stopped ________,but he _______ no sound to listen,heard I like to listen to music and ( ) The ladies stopped _____ but they _____ nothing.A.to hear；listened B.to listen；hear C.hearing；listende D.to listen；heard说明原因喔 英语单选题many students stopped to listen to the music as it --- so charmingly on the piano th