A. grateful B. sorry C. apologize
A. 再说一次,你能帮我一下吗? B. 对不起,你能帮我一下吗? C. 谢谢你,请你帮我一下。
A. Excuse me. B. Forgive me. C. It's my fault. D. I apologize to you.
A. 对 B. 错