问题补充:
—Excuse me, could you tell me where the post office is?
—, but I’m a stranger here.
A. I’m not sure
B. I’m sorry
C. That’s right
D. I’m afraid not
答案:
A. I’m not sure
(答案→)B. I’m sorry
C. That’s right
D. I’m afraid not
解析:考查日常交际用语。根据上下文语境:打挠一下,你能告诉我邮局在哪吗?很抱歉,我也是一个外地人。I’m sorry, but… 是习惯搭配。