We used to see each other but haven’t heard from him since last year.A. especiallyB. reg

问题补充：

We used to see each other , but haven’t heard from him since last year.

A. especially

B. regularly

C. particularly

D. approximately

答案：

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。