【题目】You are students in the No.168 Senior High School now, but you _______ in different junior high schools for three years.
A.studies B.have studied
C.studied D.were studying
在线课程【答案】C
【解析】
试题分析:根据前半句判断,你在不同学校学习三年的这个动作发生在过去,所以选择C。句意:当前你在第168中学学校学习,但在过去的三年里你在不同的中学学习过。