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Soheil1 Posted 13 years ago
Vocabulary

Referant(1)?

Hi.
Because the supply of natural gas was plentiful in comparison to other choices like coal and fuel oil, and because it burns clearer, many people changed their heating systems to natural gas thereby creating shortages.

What does the underlined it refer to?
c.gas d.supply

Thanks in advance
  

Top answer

Gas.

  • Gas.
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3 Answers
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Natural gas burns cleanly. The supply (of natural gas) does not burn. Sometimes you just have to pick the one that makes most sense.

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