问题
选择题
— _____________. Is this your eraser?
— Yes, it is. Thanks a lot.[ ]
A. I'm sorry
B. Excuse me
C. It's OK
答案
答案:B
— _____________. Is this your eraser?
— Yes, it is. Thanks a lot.[ ]
A. I'm sorry
B. Excuse me
C. It's OK
答案:B