单项选择题
A.Play a tape recorder. B.Take a picture. C.Repair a typewriter. D.Start a ear.
A.Government officers are hard to please. B.The learner has to go through several tough tests. C.The learner usually fails several times before he passes it. D.The driving test usually lasts two months.
A.The bird had finally understood his threat. B.The bird managed to escape from the chicken house. C.The bird had learned to scream back at him. D.The bird was living peacefully with the chickens.