单项选择题
M: It’s so cold today. I cannot work any longer. I really hope there’s a heater in this room. W: So do 1. I think I will freeze if I stay longer.
A.The heater of this room. B.The cold weather. C.Long working hours.
A.A salesman. B.A doctor. C.A driver.
A.Library. B.Bookstore. C.Bank.