is it necessary to tell his father everything?此句用is that nec

这个同义句该怎么写to tell his father everything is necessary._______ Is( )necessary to tell his father everying? 关于necessary.it is necessary to do sth.it is nec To tell your father the truth is necessary 转换成用it 作形式主语 it is clear that sleeping is necessary to everyone It is necessary that he (should) come to our 27.It is necessary that everything ____ ready by 6:00 p.m. To master a foreign language is necessary(用it is改句） Is it necessary for sb to do sth 同义句 英语翻译原句：It is a wise father that knows his own child,but toda Is that his father?回答 It is a wise father that knows his child