你们学校里有多少间教室？有二十间。

How many classrooms are there in your school? -there are twenty.

youdao

你的学校有多少间教室？

How many classrooms are there in your school?

youdao

在大楼里有多少间教室？

How many classrooms are there in the building?

youdao

在大楼里有多少间教室？

How many classrooms are there in the building?

youdao