--Have you ever been to Shanghai,Mary?--Yes,I _____ there for three days with my parents last moonth.A have gone B have been C went D was 选哪个?为什么?

问题描述:

--Have you ever been to Shanghai,Mary?
--Yes,I _____ there for three days with my parents last moonth.
A have gone B have been C went D was 选哪个?为什么?