单项选择题
A.Air mail About three days. B.Well, it is about 1 000 miles from here. C.It costs two dollars. D.It’s better to take a bus.
A.He changed his plan suddenly. B.He wanted to go to the concert. C.He arrived too late to hear the concert. D.He didn’t have enough money to go to the concert.
A.Wife—husband. B.Boss—secretary. C.Father—on. D.Shop assistant—customer.