Paragraph Four 　Tennis is a stop-and-go sport, often with moments of violent activity, requiring a sudden surge of heart action. It is a good sport for those in good physical condition who do suitable daily conditioning exercises, and who do not appr

Paragraph Four 　Tennis is a stop-and-go sport, often with moments of violent activity, requiring a sudden surge of heart action. It is a good sport for those in good physical condition who do suitable daily conditioning exercises, and who do not approach their limit of activity or endurance. 39. Tennis as a sport a______ only for right people.

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