1 . 听下面一段对话,补全句子。
W: Plastic is a huge problem for the earth. It takes hundreds of years to 1 .
M: I agree, but it’s unrealistic for us to live without it. It is 2 so many things.
W: Well, in the future, I hope we can find a better substance.
W: Plastic is a huge problem for the earth. It takes hundreds of years to
M: I agree, but it’s unrealistic for us to live without it. It is
W: Well, in the future, I hope we can find a better substance.
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