My friend has returned from the UK. She at Oxford for four years, during which we municated with each other on the Internet.
A. studied
B. has studied
C. had studied
D. has been studying
网友回答
(答案→)A. studied
B. has studied
C. had studied
D. has been studying
解析: 时态题。 我的朋友从英国回来了,她在牛津学习了四年在那期间我们经常网上联系。 根据语境她现在不在牛津学习了所以用一般过去时态,选A