题目内容
--- What has made him upset recently?
--- __________ alone to face a troublesome case.
A.Left????????????? ????????????? ????????????? B.Being left????????????? ????????????? ????????????? C.Having left????????????? ????????????? D.To leave
【答案】
B?
【解析】
试题分析:句意:--什么使他最近不安?--被单独留下面对棘手的情况。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,he和left是被动关系,用动名词的被动做主语,选B。
考点:考查动名词做主语
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