Mr.Crossett will never forget the days__he spent with his various studentsA.when B.which C.during D.on which
问题描述：
Mr.Crossett will never forget the days__he spent with his various students
A.when B.which C.during D.on which
答
选B 首先确定后面he spent with his various students为定语从句,spend the days with sb并不缺少成分，所以关系词which做该定语从句的宾语。
答
正确答案是C
答
选B..
CROSSET先生将永远不会忘记他与他不同学生们一起度过的这些日子
答
我觉得是B