单项选择题
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（）.
单项选择题 We’ll do our（）to make your visit worthwhile.
单项选择题 Shall we get straight（）to business?
单项选择题 The engineer recommended（）
单项选择题 Can I （）a message or would you like to ring him on his mobile phone?