___great fun it is to travel in a space plane!不是说抽象名词表示具体事物时是可数名词,可以加a/an吗?比如what a good time,为什么用what fun,而不是what a fun呢?是因为固定搭配的问题还是什么呢?fun不能理解

___great fun it is 选择并解析：___great fun it is!A.What B.What a ___great fun it is to have a trip to the museum a . what a b. how a c. how d. what ___great fun it is to travel in a space plane!不是说抽象名词表示具体事物时是可数名词,可以加a/an吗?比如what a good time,为什么用what fun,而不是what a fun呢?是因为固定搭配的问题还是什么呢?fun不能理解 My mother finds ___great fun to learn to drive a car.A it B this C the D what He t什么什么什么 it is fun急 ___great fun it was__so many elephants marching along the streetA how ; to see B what a ; seeing C What ; to see D How; seeing It is great fun being a designer of a game,isn't it?改错 it is so much fun it is really fun.翻译 it is fun ____(draw) isn't it great fun?英语翻译 She can't get fun from it. what fun day it is?为什么用fun,不用funny 如题What fun it is中fun是什么 fun 这是一件好玩的事it is fun 翻译 how fun it is!she doesn`t go home for lunch but has it at school We have decided to overcome the difficulty,___great it is.A)howeverB)whateverC)howD)whatP.S.该怎么区分这些词还有具体选项