—May I ask you some questions, Dr. Wang?
题型:选择题
问题:
—May I ask you some questions, Dr. Wang?
—_______[ ]
A. You're welcome.
B. Sure, go ahead.
C. No, I'm busy.
D. Yes, you must.
—May I ask you some questions, Dr. Wang?
—_______[ ]
A. You're welcome.
B. Sure, go ahead.
C. No, I'm busy.
D. Yes, you must.