题目

lucy,long time no see.where have you been?-- not only my parents but also i___in nanjing last month
A has been
B have been
C were
Dwas
选哪个解释一下为什么不是B
为什么不是B啊，不是have you been 别只答半句啊！

提问时间：2021-01-02

答案

not only my parents but also i___in nanjing last month,上个月的事情,是过去式,所以应该过去的时态,主语是I当然就是用was.而has/have been一般用在表示持续的状态!e.g I have been here for long time!...