题目内容
Fill in the blanks according to the phonetic transcription.
1.Trees remove dust and _____/pr??dju:s/ the oxygen we ____ /bri:?/. Trees reduce sound pollution for city center and _____/?d/ beauty to cities.
2.In the last 200 years, more than ______/hɑ:f/ of all the trees on the Earth have been destroyed. For every tree being ____ /pla:nt?d/ today, 30 trees are being _____ /k?t/ down. We need more trees.
3.We ______ /w?:ml?/ welcome anyone who would like to______ /d???n/ us in this project.
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