◎ 题干
 Both my parents went out to work, so I didn't know _________ after my baby sister.   
[     ]
A. what to look                
B. how to look    
C. where to look              
D. when to look
◎ 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“Both my parents went out to work, so I didn't know _________ after my baby sister.[ ]A. what to lookB. how to lookC. where to look D. when to look…”主要考查了你对  【宾语从句】  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。