能看出这两句有什么不同吗?Mr.Crossett will never forget the days __ he sp
能看出这两句有什么不同吗?
Mr.Crossett will never forget the days __ he spent with his various students.
A.when
B.which
C.during which
D.on which
I'll never forget the days __ we spent in the countryside.
A.in which
B.when
C.that
D.where
看不出来这两句有什么不同?