What fun it is _____(take) a vacation with my family here谢谢了

_____ to have a good rest after a long journey.A.What a fun it is B.what the fun it is C.What fun it is D.How fun it is _____ it is to visit the science museum!A.What fun B.How funny C.What greatly fun D.What a fun What an _____ story it is?A.funny B.interesting C.fun 为什么?、 _____(How/What) fun it is to talk with some friends online! What fun it is _____(take) a vacation with my family here谢谢了 What a ____(fun)story it is! what fun it is to=how____ 为什么是what fun it is to. what fun day it is?为什么用fun,不用funny 如题What fun it is中fun是什么 _____ great fun it is to have barbecues!A、What a B、What C、How D、so what fun it is! 这个fun前面是不是要加a或者what改fun? 为什么是what great fun it is!而不是what a great fun it is! _____ fun it is!A.What B.How不是可以说 It is fun!为什么不能说 How fun!____ fun it is to visit Beijing Hutong on foot!知道fun可以做名词,但是不是也可以说It is fun to visit .真把我搞糊涂了!好几天过去了,难道没有 英语的fun可数吗?是What a great fun it is!还是What great fun it is! 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 What fun it is How fun it is ,怎么用,仔细点