【单选题】
A: Would you like a cup of coffee? B:（）
A: Would you like a cup of coffee? B:（）
A、 That’s Research and Development.
B、 No， thank you.
C、 Yes.
D、 Thank you.
题目答案
答案解析
略
略
A、 That’s Research and Development.
B、 No， thank you.
C、 Yes.
D、 Thank you.