单项选择题
A.In an art gallery. B.In a chemical laboratory. C.In an optical shop. D.In a man’s wear store.
A.Business meeting. B.Party. C.Kids’ basketball game. D.Classroom.
A.Use of public transport was sliding. B.Retail sales were sliding. C.There will be fewer visitors, less people going to theatres and restaurants. D.All of the above.