【题目】I had been out of touch with Allen for many years but the moment he called me up that day, I ________ his voice.
A. understand B. recognised
C. remembered D. knew
在线课程【答案】B
【解析】
考查动词辨析。句意：我和Allen已经多年没有联系了，但那天他一给我打电话，我就认出了他的声音。A. understand理解；B. recognised认出；C. remembered记得；D. knew知道，根据题意，故选B。