单项选择题
A.Do some typing. B.Buy some paper. C.Get a typewriter. D.Go out for exercise.
A.It is still raining. B.It has cleared up. C.It has stopped raining. D.It is still snowing.
A.Yes, with pleasure. B.Yes, I know her very well. C.No, I’m afraid I don’t. D.No, I won’t be free this evening.