◎ 题干
Mary had to go to a meeting, so she left her children________at home.
[     ]
A. playing  
B. played
C. to play  
D. having played
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Mary had to go to a meeting, so she left her children________at home.[ ]A. playingB. playedC. to playD. having played…”主要考查了你对  【现在分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。