—_____ Mr Smith ____ this week?
— No. He is on holiday.
A. Has; worked B. Does; work
C. Did; work D. Is; working
—_____ Mr Smith ____ this week?
— No. He is on holiday.
A. Has; worked B. Does; work
C. Did; work D. Is; working
选D。根据答句He is on holiday.说明动作处于正在进行状态,而不是完成性的、过去发生的或经常性的动作,故排除选项A、B、C,选用现在进行时。