填写单词。 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 ________.