A.share
B.quantity
C.volume
D.large
A.in short
B.in sum
C.in part
D.in the end
A.apply
B.give
C.devote
D.contribute
A.high
B.tall
C.little
D.low
A.for
B.with
C.in
D.by
A.exploration
B.efforts
C.sacrifice
D.methods