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根据句意,用括号中所给单词的适当形式或句子的语法要求填空。

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/30 22:08:07
根据句意,用括号中所给单词的适当形式或句子的语法要求填空。
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.

1.harmful   2.politely 3.teeth      4.more/less expensive 
5.today’s    6.didn’t go  7.to return   8.has been