A.economy
B.agriculture
C.investments
D.chemicals

A.concentrate
B.develop
C.organize
D.complain

A.manage
B.catch
C.establish
D.achieve

A.reply
B.opinion
C.attention
D.support

A.reform
B.resources
C.experience
D.system

A.technique
B.opportunity
C.consideration
D.operation

A.damage
B.programme
C.process
D.effect

A.absorb
B.provide
C.transmit
D.read

A.in brief
B.in conclusion
C.in contrast
D.in addition

A.condition
B.recommendation
C.material
D.enjoyment