◎ 题干
—What are you doing for vacation?
—I am _______ my little sister.  She is only two years old.      

A. look after  
B. looking for      
C. babysit          
D. babysitting
◎ 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“—What arc you doing for vacation?—I am _______ my little sister.She is only two years old.[ ]A. look after B. looking forC. babysitD. babysitting…”主要考查了你对  【现在进行时】  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。