The young man insisted that he was not there when the accident happended.这句话用中文怎么翻译?

the young man ------- What was the young man? the young man后面是三单吗? How is the young man? The young man is behind the old man. the man is young(否） what is the young man,怎么回答 I know the young man.否定句 ------How is the young man?-------________________ W____that young man in the photo? how is the young man同义句 they will never f____ the young man He finds a young man by the ( what )( he )the young man ( like ).为什么? 句型转换：The young man said nothingThe young man said nothingThe young man had nothing ______ ______ The young man is wearing a blue jacket.=The young man ______ _________a blue jacket________ the young tall man对还是the tall young man 对发到QQ；841224185 The young man is tall and strong.根据答句写问句（ ）（ ）the young man(