【题目】He watches TV at nine every night.（改为一般疑问句）
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【答案】Does he watch TV at nine every night?
【解析】
原句句意：他每天晚上九点看电视。主语he，动词watches，改为一般疑问句要用助动词does，动词watches还原为watch，首字母大写，句号变问号，其他照抄，故答案为Does he watch TV at nine every night?
