◎ 题干
Tim plays computer games too much.  
That's why his mother __________ his eyesight.
[     ]
A. is happy with
B. is interested in
C. is proud of
D. is worried about
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Tim plays computer games too much. — That's why his mother __________ his eyesight.[ ]A. is happy withB. is interested inC. is proud ofD. is worried abo…”主要考查了你对  【形容词】【介词】  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。