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Harry1999 Posted 15 years ago
Grammar

What is correct at or on ?

I just want to ask which one is correct out of below sentences?

When you pinged me, someone else was sitting on/at my PC.

or

I am sitting on/at another PC. I can't chat with you.

Also have a look at this sentence too.
Talking about machine "I am sitting on/at windows machine".

Please help me with right preposition.
  

Top answer

We sit at a computer, on a chair.

  • We sit at a computer, on a chair.
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1 Answers
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We sit at a computer, on a chair.

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