◎ 题干
Tom does speak Chinese well, but his reading and writing skills leave much ______.  
[     ]
A. to improve      
B. to be improved  
C. being improved  
D. having improved
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Tom does speak Chinese well, but his reading and writing skills leave much ______.[ ]A. to improveB. to be improved C. being improved D. having improved…”主要考查了你对  【不定式的被动式】  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。