He goes to the gymnasium for physical trainingday.A. every eachB. every oneC. each other

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A. every each
B. every one
C. each other
(答案→)D. every other
解析：考查短语辨析。句意：他每隔一天去健身房锻炼。every other+单数名词，意为“每隔”，相当于every two+名词复数，故选D。