Question

【题目】—When _________ Li Ping _________ his homework?
— At 10:00 last night.
A.did, finish
B.does, finish
C.is, finishing
D.do, finished

Answer 1

【答案】A
【解析】句意：——李萍什么时候完成的作业？——昨天晚上10点。根据答语可知用过去时态，排除B/C；又因finish是实意动词，疑问句要在主语前加助动词did,，谓语动词还原；故选A。