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Swimming is ______ in the summer.( ) a.a good fun b.great fun c.great funs d.great a fun

分类: 作业答案 • 2021-12-28 15:34:54

问题描述：

Swimming is ______ in the summer.( ) a.a good fun b.great fun c.great funs d.great a fun

答

b
不可数.