It's difficult to know where to begin.这个句子有没有语法错误?如果有,详请细解读一下,
问题描述：
It's difficult to know where to begin.这个句子有没有语法错误?如果有,详请细解读一下,
答
有一种短语用法
have difficulty doing sth
have a difficult time doing sth
但这个考的不是difficult的用法
而是句型：it's +形容词+（for sb）+to do sth