形式主语和强调句的区别?
问题描述：
形式主语和强调句的区别?
答
It is difficult to answer the question.It在句子中做形式主语,其真实主语是answer the question,即原句为Answer the question is difficult.用It做主语是为了保持句子平衡.It was here that I came.这是强调句.原...