单项选择题
The company really needs the fax machine by tomorrow（）
A. we’ve ever given before. B. but I got nothing out of it. C. or it will have to look elsewhere. D. I am afraid we can go no further.
单项选择题 Could you（）the times of flights to Atlanta and reserve me a seat?
单项选择题 Could you come（）to the development workshop for a second?
单项选择题 I have the authority（）.
单项选择题 Because we can’t find a compromise（）
单项选择题 We very much appreciate your efforts（）.
