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ears. My friend's father quickly 2._______ some bags of litter and went outside. I aske  d my friend, "What's going on?" My friend said that there was a truck 3._______ litter outside. "Whenever someone throws some l  itter in, it gives out beautiful music. 4._______ other people hear it, they'll go out with their litter and throw it in." "It's a 5._______ way to help keep our city clean," said my friend. 6._______ our environment is very important. Wherever you live, you can do something around your neighbourhood. Have you ever thrown 7._______ litter onto the ground? Have you ever drawn pictures on public walls? Have you ever spat in public? Have you ever 8. _______ trees? If your answers are "No", it means that you have already helped 9. ________ our environ  ment.It is our duty to keep our environment clean and tidy. If everyone 10._______ to protect the environment, the world will become much more beautiful. |
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