He seems at little nervous中,为什么要加 at

He seems at little nervous中,为什么要加 at He seems at little nervous 这句话为什么要加S.Lacks confidence and poise is nervous and ill at e stay at home为什么要加at? He is always nervous before every eaxm.中为什么要用nervous而不是用anxi He seems to be honest为什么要加to be. the teacher is very angry with him at what he said 中为什么要用at Tenny was a little nervous in front of so many strangers at he often______(shout)at his little dog. He seems to have a zoo at home.改写 at ease with he为什么要用at? he is good at studies.studies.为什么加s.