第19页

信息发布者：
them
three
third
How many
isn't
any
too
-Are there any computer rooms on the third floor?
-Yes, there are.
-Is there a music room on the second floor? 
-Yes, there is. 
-Is there a classroom on the first floor? 
-No, there isn't.
哭脸
笑脸
笑脸
笑脸
哭脸
笑脸
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