高三英语选择题--Have you heard from Nelly recently?

问题描述:

高三英语选择题--Have you heard from Nelly recently?
--Yes.I __ his letters and cards many times while I was in Italy.
A.have received B.received C.had received D.would received
需讲解

B.received
表示过去某段时间内所发生的动作的次数,不用完成时态,只用过去式.