____ he ____ towork at 7:00?

【答案】Does go

【解析】

原句句意：他七点去上班。该句是含有实意动词的肯定句，主语是三单，改为一般疑问句需在句首加助动词does，原动词恢复原形，即Does he go to work at 7:00?故答案为Does；go。