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

问题补充：

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

A. especially

B. particularly

C. regularly

D. approximately

答案：

A. especially

B. particularly

(答案→)C. regularly

D. approximately

解析：

试题分析: A尤其；B尤其，特别；C经常，有规律地；D大约。句意：我们过去经常彼此见面，但是自从去年以来我就没有收到过他的来信。根据句意可知此处指见面的频率，故C选项正确。