A: Would you like a cup of coffee? B:（）A、 That’s Research and Development.B、 No， thank you.C、 Yes.D、 Thank you.
题目
A: Would you like a cup of coffee? B:（）
- A、 That’s Research and Development.
- B、 No， thank you.
- C、 Yes.
- D、 Thank you.
A: Would you like a cup of coffee? B:（）