题目内容：
根据各组对话内容，从下面方框中提供的5个选项中选出能填入空白处的最佳选项，并将字母代号填写在答题卡上相应的位置． A. Thank you
B. It's my pleasure
C. By the way
D. No， of course not
E. Never mind
11. A：I'm terribly sorry that I broke your vase.
B：___________
12. A：Would you sign the register please, Sir?
B：Sure. ___________,does my mom have a private bath?
A：Certainly. Every room in this hotel has a private bath.
13. A：What a beautiful dress!
B：___________. I just got it yesterday.
14. A：Thank you for looking after the cat for me.
B：___________. I love cats.
15. A：I'm going shopping.
B：Do you mind if I come with you?
A：___________. You can carry my bag for me.
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答案解析：