问题补充:
---Would you mind if I smoked here?
---,but smoking is not allowed in the office.
A. You can
B. I am sorry
C. Not at all
D. Of course not
答案:
A. You can
(答案→)B. I am sorry
C. Not at all
D. Of course not
解析:考查交际用语。A你可以的;B对不起;C一点也不;D当然不;句意:—我在这里抽烟你介意吗?—对不起,可是办公室里禁止抽烟。I am sorry, but….是一个固定句型,表示委婉的否定。故B正确。