1.The signboard says:Keep _____ the grass!
A.on
B.away
C.off
D.from
2.If the pen costs _____ ten dollars,i won't buy it.
A.after
B.within
C.above
D.by
3.This restaurant is famous _____ its Chinese dishes.
A.for
B.at
C.in
D.with
4.The boy is good _____ telling stories.
A.for
B.at
C.on
D.with
5.The doctor told his patient to look _____her health.
A.at
B.in
C.with
D.after