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MustAsk Posted 12 years ago
Grammar

Boil on/at

Hi

My stove has numbers instead of 'low' 'high' 'medium'. So if I had to say

Let it boil for 5 min on/at four.

Does it matter if I use 'at' or 'on'?

Thanks!
  

Top answer

Both seem OK to me.

  • Both seem OK to me.
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