i have not( ) to them ( ) a.written in1990 b.written last week c.wrote yesterday d.written this mon

题目

i have not( ) to them ( ) a.written in1990 b.written last week c.wrote yesterday d.written this mon
d.written this month

答案

A,B由于都有过去时间状语,不能和现在完成时连用.
C wrote 是过去式不可和题干中的助动词have连用
所以选D
意为：本月,我还未和他们书信过.
你的支持就是我的动力!