Nothing is difficult in the world if you put your heart into it ,_ _?A.isn't it?B.is it?

问题描述:

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

B,is it?反意疑问句的尾句要根据主句的主语和谓语来确定,此句的主语是nothing 谓语是 is ,nothing 否定代词,所以选B.