单项选择题
Is it possible（）
A. It is entirely our fault. B. to talk to the Manager？ C. I’m terribly sorry. D. with our compliments.
单项选择题 A: Would you like a cup of coffee? B:（）
单项选择题 The new executive has done well to make the wholesaler agree（）
单项选择题 A provisional agreement is one（）
