单项选择题
-Could I speak to Don Watkins, please? -()
A.I’m listening. B.Oh,how are you? C.Speaking,please. D.I’m Don
单项选择题 -Medam,do all the buses go downtown? -()
单项选择题 -It’s rather cold in here. Do you mind if I close the window? -().
单项选择题 -Hi, is Mary there, please? -()