题目内容
【题目】I decided ________ at least once a week.
A.exercise
B.exercised
C.to exercise
D.exercising
【答案】C
【解析】句意：我觉定一周至少锻炼一次。decide to do sth决定做某事，故此处用动词不定式to exercise，故选C。
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题目内容
【题目】I decided ________ at least once a week.
A.exercise
B.exercised
C.to exercise
D.exercising
【答案】C
【解析】句意：我觉定一周至少锻炼一次。decide to do sth决定做某事，故此处用动词不定式to exercise，故选C。