It's------to swim in the river in summer.A.a great fun B.a great funny C.great fun D.great funn
问题描述：
It's------to swim in the river in summer.A.a great fun B.a great funny C.great fun D.great funn
答
正确答案：C fun是不可数名词,不能用冠词a修饰.所以只有选C.