We used to see each other , but haven’t heard from him since last year.
A. especially
B. regularly
C. particularly
D. approximately
网友回答
A. especially
(答案→)B. regularly
C. particularly
D. approximately
解析：
试题分析:句意：我们过去彼此经常联系，但是自从去年就没有收到他的来信。A尤其；B有规律地；C尤其；D大约。根据句意选B。