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Câu hỏi :

Earthwatch Have you ever wanted to do something different? Five years ago, Will Slade read about __(1)__ organization called Earthwatch. Earthwatch finds volunteers ___(2)___ expeditions __(3)___ and explore different parts of the world. Will decided (4)____  an expedition to study elephants in Africa. “I wasn't sure about it before I went.” say Will. “But in fact, I really enjoyed every minute of the expedition. We slept ___(5) tents and we cooked our own food, but it was the great ___(6) elephants and all the other animals there”. “I've (7)____  all the expeditions, and I have seen some fantastic places. How (8) _____ people have slept (9) ____  a beach, climbed a mountain or see a whale? This world is such a beautiful place, but it’s disappearing fast. We have to learn more ___(10)___it if we are going to save it”