46. honestly / I / like / live / planet / where / residents / take care / ecology and environment
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47. now / we / problems / garbage and pollution / because / many factories / emit / a lot / pollutants / atmosphere
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48. addition / people / use / public transport / instead / their cars
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49. there / be / new technologies / allow us / fly / other planets / high speed
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50. there / be / no wars, hunger, or social problems / and / everyone / live / peace / and / enjoy / lives
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