题目内容：

Fill in the blanks according to the phonetic transcription.

1.Trees remove dust and _____/prəˈdju:s/ the oxygen we ____ /bri:ð/. Trees reduce sound pollution for city center and _____/æd/ 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:ntɪd/ today, 30 trees are being _____ /kʌt/ down. We need more trees.

3.We ______ /wɔ:mlɪ/ welcome anyone who would like to______ /dʒɔɪn/ us in this project.