Is it fun _____(swim) in the cool water in summer?swimming是为什么?实际主语为什么不能是不定式？

改错 It is fun swim in summer. Is it fun _____(swim) in the cool water in summer?swimming是为什么?实际主语为什么不能是不定式？ what fun it is to swim 为什么不能用how?fun为形容词为什么不行，陈述句形式It is fun ti swim, _____ it is to jump into the river to swim in summer.A.What a great fun B.What great funC.How fun D.How funny为什么不用how fun？ _____(Swim) is fun.i like to___ (swim0 in the swimming pool What fun it is to swim!How fun it is to swim!What a fun it is to swim!哪个句子正确?为什么?fun 可以为名词 也可以为形容词吧！What a shame!多么遗憾的一件事！为什么就不能是What a fun it is to swim! It is fun ------ in the sea in summer A to swim B swim C swims D to swimming （）it is to have a swim in hot summerA:what a fun B:what fun C:how fun D:how a fun what a fun it is to swim in summer.为什么要去掉a呢?不是how fun啊 ___great fun it is _____ 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 jump into cool water to swim in such hot weather.what fun 为什么不用为什么不用what a fun 或者how funny you can not imagine what fun it is to swim in the sea with my family 中为什么用 what fun ___ ___ 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? What ____ it is to swim in the cool water in ____ hot weather!A.fun,so B.fun,/ C.a fun,the D.a fun,a为何不选A? it is fun to swim in the summer.many students like swimming.短文纠错,救急Is is fun to swim in the summer.Many students like swimming.Swimming is my favorite sports.I often goes for a swim with some of my friends at weekend.We always have a fun 4个英语填空1._______ great fun it is to have a swim on such a hot day!2.给我印象最深刻的是他们的诚实.______________ was their honesty.3.填介词或副词.My shirt is similar _______ color _____ Li Ping's.4.It was ____ that she kne Amy loves ________(swim)and she is __________(fun))