高二英语单选
1.TheEnglishsongcallsupthehappydays_____wespenttogetherinouryouth.
为什么用which而不能用that?
2.Morethan400studentsfromBeichuanMiddleSchool,______1300schoolmatesandteacherswerekilledormissingintheterribleearthquake,resumedclassesonMonday.
为什么用whose而不能用ofwhich?