题目内容
【题目】He should _______ (brush) his teeth after lunch.
【答案】brush
【解析】
句意：午饭后他应该刷牙。情态动词should后接动词原形brush，故答案为brush。
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题目内容
【题目】He should _______ (brush) his teeth after lunch.
【答案】brush
【解析】
句意：午饭后他应该刷牙。情态动词should后接动词原形brush，故答案为brush。