填空题

  • A．make new materials
  • B．preserve wetland and animals
  • C．have clean air
  • D．have clean water
  • E．collect cigarette butts
  • F．collect disposed oil

Joying placed the buckets at all public-access areas to ______.

【参考答案】

E
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The weather was nice in Trumbull County on Saturday evening.
A．Right
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