问题补充:
— Could I ask you a rather difficult maths question?
— Sure,.
A. pardon me
B. go ahead
C. good idea
D. forget it
答案:
A. pardon me
(答案→)B. go ahead
C. good idea
D. forget it
解析:考查情景交际。“我能问你一个很难的数学题吗?”“当然,问吧。”A“请再说一次”;B“请(开始)吧”;C“好主意”;D“没关系”。故选B。