单项选择题
M: Sorry, I’m late, Mary. Have you been waiting long W: Oh, no. I’ve been here a minute or two. I’ve been looking at the menu.
A.At a restaurant. B.At a market. C.At a cinema. D.At an exhibition.
A.Customer and salesman. B.Wife and husband. C.Doctor and patient. D.Teacher and student.
A.$8.5. B.$74. C.$11. D.$34.