◎ 题干

根据句意,用括号中所给单词的适当形式填空。

1. Playing too many computer games is ______ (harm) to you.
2. We should speak to the old man ______ (polite).
3. —How many ______ (tooth) does a dog have? 
   —Sorry, I have no idea. Let's search on the Internet.
4. A computer is ______ (expensive) than a TV set.
5. Have you read ______ (today) newspaper?
6. I ______ (not go) to bed until my mother came back at ten last night.
7. You need _______ (return) the comic book to the library at once.
8. My sister _______ (be) a singer since she left the school.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“根据句意,用括号中所给单词的适当形式填空。1. Playing too many computer games is ______ (harm) to you. 2. We should speak to the old man ______ (polite). 3. …”主要考查了你对  【可数名词(单数名词,复数名词)】【名词所有格】【形容词的比较级,形容词的最高级】【形容词】【副词】【不定式】【一般过去时】【现在完成时】  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。