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:考查时态,根据The police say they’ll let me know when there is any news可知,警察还没有告诉他关于他走失的狗的信心,所以还正在等待。