问题补充:
I her voice at once on the phone, though we hadn’t seen each other for ten years.
A. heard
B. knew
C. realized
D. recognized
答案:
A. heard
B. knew
C. realized
(答案→)D. recognized
解析:动词词义辨析题。A. heard 听见 B. knew 知道 C. realized意识到 D. recognized 认出句意为:虽然我们十年没有见面在电话里我一下子就听出了他的声音。根据语境选D