A．Selling a house. B．Inviting some friends. C．Buying a house. D．Having some food.
单项选择题6 （）
A．In a computer room. B．In a restaurant. C．In an office building. D．In a waiting room.
单项选择题5（）
A．You may get one. B．Here you are. C．At 9: 15. D．Fifty dollars.
