单项选择题
W: how much does the skirt cost M: 7dollars for one, but you can save 2 dollars if you buy two.
A. $ 2. B. $ 12. C. $ 7. D. $ 14.
A. He will go to the concert. B. He has been to the concert. C. He is not interested in the concert. D. He can’t go to the concert.
A. In a restaurant. B. In a hospital. C. At a post office. D. At a railway station.