How far is it from her to the post office?
问题描述:
How far is it from her to the post office?
此句中的 is it 是什么语法形式?请举例说明.
答
此句用陈述语句表达应是:It(即from she to the post office) is how far?it是形式主语,is far是系表结构,再如:
How long is it from your home to your school?
How much is it for you to buy that bag?