如题What fun it is中fun是什么

如题What fun it is中fun是什么 what fun day it is?为什么用fun,不用funny what fun it is! 这个fun前面是不是要加a或者what改fun? What a ____(fun)story it is! what fun it is to=how____ 为什么是what fun it is to. what a fun和how fun的用法是what a fun it is to do sth还是how fun ? 英语的fun可数吗?是What a great fun it is!还是What great fun it is! 为什么是what great fun it is!而不是what a great fun it is! what is your fun fun what is this? fun 是什么词性It is gueat fun 中great fun 可以用interesting代替吗 ___great fun it is What fun it is 和How fun it is 后面加doing还是to do What fun it is How fun it is ,怎么用,仔细点 为什么说what fun it is!而不用how fun it is?这是什么句型? ___ ___ it is to have a swim in hot summer.A.What a fun.B.How fun.C.What fun.D.What a fun.这一道题目我用排除法排除AD两项,BC中怎么选? ()it is to fly kites in the parka what fun b how fun c how funny d what a fun