单项选择题

A:Welcome to Bibury Systems.
B:（）

A. Thank you.
B. That’s Research and Development.
C. No， thank you.
D. Yes.

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单项选择题

A. Especially
B. Partially
C. Entirely
D. Obviously

单项选择题

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:（）

A. That’s Research and Development.
B. No， thank you.
C. Yes.
D. Thank you.