选择:it's fun ____in summer .a.swim b.swimming c.to swim
问题描述:
选择:it's fun ____in summer .a.swim b.swimming c.to swim
答
c,it`s fun to 是一个固定句型.
选择:it's fun ____in summer .a.swim b.swimming c.to swim
c,it`s fun to 是一个固定句型.