do you know the reason

Do you know the reason-----he was late for school. Do you know the reason ( )she got so angry yesterday? 】Do you know the reason ____ he was late? Do you know the r____ reason for her absence? Do you know the reason _____ our master's absence? Do you know the reason ——she missed the train A why B for wh do you know what the reason of the fire that broke out in th 英语翻译Do you know the reason why we need plants?Plants are ver 定语从句do you know the reason why he didn't come? She___even when she is in class.Do you know the reason? Do you know the reason ( ) she got so angry?A,why Bfor whyC Do you know the reason ( )she got so angry yesterday?A why B