A housing bubble is an economic situation _____ occurs when house prices rise much too fast.
We arrive at six. But I’m sorry we are late.
Only to use this reading room. Students have another room on the second floor.
The police will have to the room for fingerprints.
once before, after your class I got my visa(签证). So thank you again.
Who is the man a blue shirt? I have never seen him before.