it's impolite to laugh at people in trouble 这句话有语病吗?
问题描述：
it's impolite to laugh at people in trouble 这句话有语病吗?
答
没错
it（形式主语）'s impolite（系表结构） to laugh at people in trouble （不定式做真正主语）
请在客户端右上角评价点“满意”即可,