Sing on the ice is_____A.a great fun B.very fun C.great fun D.a very fun原因

问题描述:

Sing on the ice is_____A.a great fun B.very fun C.great fun D.a very fun
原因

C
great fun= very interesting
fun 是不可数名词,所以不可以前面加a,也不可以被副词very 修饰