Question

— What has made him unhappy recently?— __________ alone to do the house work． A．Left B．Be

— What has made him unhappy recently?— __________ alone to do the house work． A．Left B．Being left C．Having left D．To leave

Answer 1

B

试题分析：句意：--什么使源旁他最近不高兴？--被单独留下做家务。乱塌因为问句是what…?对主语提问，所以回答的是主语的内容，用动名词做主语雹陪橡，he和left是被动关系，用动名词的被动做主语，选B。