They hoped that the law would ensure the ____ of these rare animals which had been killed in large numbers in this area.
A. convention
B. conservation
C. prevention
D. precaution
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To our ____, Geoffrey’s illness proved not to be as serious as we had feared.
A. entertainment
B. judgment
C. relief
D. relaxation
I suffered from mental__________ because of the stress from my work.
A. fatigue
B. damage
C. relief
D. release
His film was a complete failure, which did his reputation a lot of ______.
A. damage
B. harm
C. injury
D. ruin
To avoid an oil shortage more machines must _______ solar energy.
A. utilize
B. mobilize
C. acquire
D. cultivate