I should apologize to you for failing to visit you last week but I've been very busy the

问题补充：

I should apologize to you for failing to visit you last week, but Ive been very busy the past few months.

A. since

B. before

C. among

D. over

答案：

A. since

B. before

C. among

(答案→)D. over

解析：

试题分析:考查介词辨析。A 自从， 既然；B在……之前；C 在……之中；D 在。。。期间，多于，超过。固定短语：over the past few years，在过去的几年里。句意：因为上周没能够去拜访你我应该向你道歉，不过在过去的几个月里我一直很忙。正确选项D。