◎ 题干
-Tomorrow is a holiday. Why are you doing your homework?   
-I am doing these exercises now so that I won't have ______ on Sunday.  
[    ]
A. it            
B. them            
C. for            
D. to
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-Tomorrow is a holiday. Why are you doing your homework?-I am doing these exercises now so that I won't have ______ on Sunday.[ ]A. itB. themC. for D. to…”主要考查了你对  【介词和介词短语】  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。