问题补充:
The police say there is a $50,000 for any information that helps them find the killer.
A. income
B. fee
C. bill
D. reward
答案:
A. income
B. fee
C. bill
(答案→)D. reward
解析:考查名词辨析:A. income收入,B. fee费用,C. bill账单,D. reward悬赏,赏金,句意是;警察说任何提供有助于抓到杀人犯的信息的人都有5万的赏金。选D。