It's fun 后面是跟doing sth.还是跟to do sth.

It's fun 后面是跟doing sth.还是跟to do sth. it's fun doing中的fun 是adj it's fun to do 是n .这种说法对吗? It’s fun to do还是doing Let's doing sthLet'后面跟什么? It's useless后面是doing还是to do? It' fun to do sth 这句有没语法错误,It's+ adj 后面什么时候加to do sth 什么时候doing sth It's fun to do和It's fun doing的用法 It's fun to do和It's fun doing的用法,具体一点,要有例句. It's great fun ________ all the beautiful places in NanjingA.visit B.to visit C.visiting D.to visiting 选哪个?C 为什么?have fun doing sth 难道it's fun 后面也是doing? It's important for 后面跟什么是to do 还是doing great fun 中fun的词性是什么It's Great fun +doing还是to do?这里的fun 为什么词性? it's great fun是啥意思? it's fun 还是it 's funny It's no pleasure 后面加doing 还是to do it's 就是后面加doing的那个. It's worth while 后面是to do 还是doing这个语法我忘了, It's no use ...后面接什么啊?是 of doing sth.还是doing sth.PLEASE QUICK! It's fun to do sth.是将动词不定式做了主语,那么该动词不定式能改成动名词吗,为什么?因为It's fun to do sth=To do sth is fun.那么有没有It's fun doing sth呢?另外，Eating food is good for your health能不能改为It'