单项选择题
A.At 1: 35. B.At 2: 45. C.At 4: 45. D.At 3: 15.
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.