题目
—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.
—＿＿＿＿＿＿
A.
I'm sorry about this.
B.
No problem.
C.
Sure, I'd love to.
D.
Never mind.
知识点：Unit 1 Will computers be used more than books in the future?章节：Module 9 Great inventions