When talking,they sat face to face with each other.起中后when为什么用talkingwhen talking,这是怎么一个用法?talking在这里是什么成分?

They were talking ( ) a film when come ( ) the room It is impolite to（ ）others when they are talking. When talking,they sat face to face with each other.起中后when为什么用talkingwhen talking,这是怎么一个用法?talking在这里是什么成分? They are talking about when they will visit the Great Wall. they were talking loudly when the teacher came in”when the teacher came in “划线对划线部分提问_________ _______ they talking loudly? They are talking about when they will have the party.改为同义句They are talking about _____ ______ ______ the party. They()happily when I ()them were talking,calledtalked,was callingwere talking,was callingwas talking,called请问选哪个 说下理由哦 （ ）the teacher came in, they were talking and laughing. A.while B.when talking ,politely,l,arrived,when,they,were,with,each,other连词成句 It is not polite to make others stop when they are talking的同义句 They had been talking when I arrived.这句话在语法上怎么解释?是什么意思？ It is not polite to interrupt other when they are talking.改同义句. But English people must keep a/the/不填/ distance away when they are talking. Even when they are not with their friends,they usually spend a lot of time talking on the phone They are talking now.(对talking提问) They are talking about things and persons____they know when they.A that B which C who D whomThey are talking about things and persons____they know when they.A that B which C who D whom _________ others when they are talking to us is usually considered rude and inappropriate._________ others when they are talking to us is usually considered rude and inappropriate.A.Interrupting B.Interrupt C.Having interrupted D.To be interrupted American like to look at the other people in the eyes when they are talking怎么翻译？