Question

【题目】Who can that he did his homework by himself yesterday?

A. insist B. confirm C. ask D. offer

Answer 1

【答案】B

【解析】句意：谁能证实他昨天是自己做的家庭作业？insist坚持，坚决要求；confirm证实，确认；ask问，请求；offer提供。根据句意可知，这里是证实某事的意思，故应选B。