it is fun to do 与it is no fun doing 与 it is fun doing三者的区别是什么?

It is fun to do sth造句 It is fun to do sth.造句. it is fun to do 还是 doing? it is fun to do 与it is no fun doing 与 it is fun doing三者的区别是什么? it is a great fun to do sth.还是it is great fun to do sth it is fun to do和it is fun doing区别也就是说不定式与动名词作主语的区别 It is fun to do sth对,还是It is fun to doing sth What fun it is 和How fun it is 后面加doing还是to do It is fun?到底是It is fun to do sth 还是It is fun doing sth?It is fun for sb + It is great fun to do ...It is great fun to do sth还是It is a great fun to do sth? what fun it is to do怎么造句 what great fun it is+to do sth 吗 it is great fun +doing还是to do what a fun和how fun的用法是what a fun it is to do sth还是how fun ? fun可以做形容词吗fun可以做形容词吗fun可以做形容词吗it is fun to do it fun是什么词性 how fun it is to do可用么（fun做adj) It’s fun to do还是doing it is fun to do 还是 doing?it is no use doing 还是 to do划一下句子成分