Nothing is difficult in the world if you put your heart into it ,_ _?A.isn't it? B.is it?否定意义的不定代词作主语,做反意疑问句后面还要用肯定吗?详细些

Nothing is difficult to a willing mind . I thing nothing is difficult for 急 I thing nothing is difficult for Nothing is difficult to the man who will try nothing is difficult if you try your best to do Nothing is difficult if you put your heart into it. Nothing is difficult to the man who will try Nothing is difficult to the man who willtry nothing is difficult if you put your heart into it. Nothing is difficult if you put your heart into it!. nothing is difficult if you work hard是什么意思 NOthing is difficult for one who sets the mind. nothing is difficult if you put your h*** into it Nothing is difficult in the world ,if you put your heart into it.Nothing is impossible . There is ( )for you if you put your heart into it.A difficult nothing B nothing easy C nothing difficult D easy nothing Nothing in the world is difficult for one who sets his mind to it ?Nothing in the world is difficult for one who sets his mind to it ! is getting difficult to continue my work as if nothing were wrongit is getting difficult to continue my work as if nothing were wrong there is nothing difficult.please go on doing it.（同义句）.there is nothing difficult.please go on --- ---.后面只能填两个单词，前面不能改。