Question

Going to school by boat must be _____.是a great fun还是a lot fun?为什么？

Answer 1

a lot fun
fun是不可数名词，不能用a 来修饰
a lot 可以接可数名词和不可数名词

Answer 2

楼上的回答敝人不敢苟同。
本人认为是前者a great fun.
因为a lot 的用法相当于quite,very, 当然也相当于many / much.等 如：
I feel a lot better now. Young as he is, he knows a lot about English.
而 a lot of 或者 lots of 才可以用来修饰名词。这个就不用举例了吧。

希望我能对你有帮助。

追问

原句是Going to school by boat must be a lot more fun than........如果说a lot 的用法相当于quite,very,那么a lot 就是very fun，填进去也行啊。fun毕竟是不可数的呀，那又是哪个呢？