问题补充:
— Have you got any information about your missing dog from the police?
— No. I . The police say they’ll let me know when there is any news.
A. waited
B. was waiting
C. have waited
D. am waiting
答案:
A. waited
B. was waiting
C. have waited
(答案→)D. am waiting
解析:答话人还在等候消息。警察说一有消息就通知他。本题问话、答话都是现在时,排除A,B两项。wait是延续性动词,C项缺少“段”时间状语。故D项正确。