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1. His books have _______ the lives of millions of people.
2. How can I try to _______ English like a native speaker? You'd better practice more with English speaker.
3. It's our _______ to keep our classroom clean every day.
4. How can I _______ my parents if I do something wrong at school?
5. Boys and girls may think ______ on the same thing.
6. This river is seriously polluted. How will the government              with this problem?
7. Betty is my best friend, I bevieve our _______ will last for ever.
8. I'm not good at English, so I'm              to answer questions in the English class.
9. I can't pronounce many of the words correctly. My _______ is very poor.
10. I can't hear your words clearly. Could you please speak more _______?
11. When we heard the exciting news, we got ________.