how fun it is to do … what fun it is to do… 为什么要用后者,fun如果当形容词不也是“有趣的”意思吗为什么不是前者?感叹句不是可以How +形容词 it is to do .然后fun 为形容词不就可以了?

what a fun和how fun的用法是what a fun it is to do sth还是how fun ? What fun it is 和How fun it is 后面加doing还是to do how fun it is to do可用么（fun做adj) it's fun to do 换成 感叹句是what fun 还是 how funit's fun to play with them=______ _______ it is to play with them. It is fun to do sth造句 It is fun to do sth.造句. it is fun to do 还是 doing? how fun it is to do … what fun it is to do… 这两句哪个有错.下面的兵分两派了.谁来个确定的 it is a great fun to do sth.还是it is great fun to do sth 为什么是what fun it is to.而不是how funn it is to.it is fun to do sth中fun不是形容词吗?译为有趣的的意思ba what fun it is和how fun it is两个有什么区别?有没有后面加to do或者是加doing的区别 It is fun to do sth对,还是It is fun to doing sth to,skating,fun,go,how,is,it 连词成句 how fun it is to do … what fun it is to do… 为什么要用后者,fun如果当形容词不也是“有趣的”意思吗为什么不是前者?感叹句不是可以How +形容词 it is to do .然后fun 为形容词不就可以了? It is great fun to do ...It is great fun to do sth还是It is a great fun to do sth? 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 to fly kites in the parka what fun b how fun c how funny d what a fun what fun /how fun 的用法,最好列举全面第一个问题：What fun it is to do sth.还是doing sth.还是两个都可以用,但表达意思不同,如果换成How fun it is呢to do sth./doing sth.第二个问题：what a (fun) time____ listen __