英语翻译when the game began,he was on the field,leaving the regu

英语翻译Walter offered us a lift when he was leaving the office, i was just leaving my office_________ the telephong began to when everyone was seated the meeting began. he began to do the research on the tea trees ____it was the He offered us a lift when he was leaving the office ,but our He began to play the piano when he was seven.(同义句)He( )( )th 英语翻译When they got to the station ,the train was leaving .Mrs He began to learn the piano when he was?(改为同义句) When he was five years old he began to play the violin 同义句 I was just leaving when someone ____(konck) on the door in the field on the field Walter offered us a lift when he was leaving the office,but