单项选择题
Conversation 2
A.To leave the room. B.To repair the computer by herself. C.To change a computer. D.To ask for help.
A.At the office. B.In the waiting room. C.At the airport. D.In a restaurant.
A.$ 26.5. B.$ 25.6. C.$ 2.65. D.$ 20.65.