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3.Sheexercises(exercise) every day to keep healthy.

分析 为了保持健康她每天锻炼.

解答 答案:exercises
根据该空处在句中作谓语故填入所给动词exercise"锻炼,运动"的正确形式,根据句中的时间状语为 every day 故确定为一般现在时态,主语she是第三人称单数,故谓语动词用其三单形式,exercise的三单形式为exercises,故答案为exercises

点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.

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