题目内容
9、Swimming is ___ in summer.
A. a great fun B. great fun C. great funs D. great a fun
试题答案
9、B
解析：fun 是抽象名词（不可数名词），前面不用冠词，也没有复数形式。
Swimming is ___ in summer.
Swimming is ___ in summer．
A．a great fun B．great fun C．great funs D．great a fun