How far is it from her to the post office?
题目
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.
答案
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?
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