_____swimming is great fun.

_____swimming is great fun. great fun it is to . go boating swimming in summer is ()great fun it is great fun后应加什么时态 A.It is of great fun. 1.Dancing to music is great fun. Walking is great fun.(改为感叹句) 在这玩很有趣It is great fun It is great fun啥意思? Swimming is a great fun in summer. It is great fun to do ... I think doing sports is great --------(fun)