Oftenheiscompeting______(fierce)withhisclassmatesforthechance.
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Manypeoplespendlittletimein____(pursue)ofphysicalfitness.
The war was followed by a long period of peace and ______ (prosperous).
The service at the famous hotel failed to live up to its ______ (repute).
This method is ____ (rare) used in modern laboratories.
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