1.Up to Tuesday’s attack，the worst school shooting in me US. was in March 1998 in Jonesboro， two boys，aged 11 and 13，shot and killed a teacher and four girls.
A. while B. where C. when D. then
2.Once you enter the university，you will be free to study you.
A.whatever that interests B.whatever which interests
C.whatever interesting D.whatever interests
3.Was it in the beautiful park was located by the sea we first met our new chinese teacher？
A.where；that B.which；which C.that；that D.which；where
4.Have you ever had a case someone accused your journalists of going the wrong end of the stick?
A.that B.which C.where D.when
