arzgol
Member
- Joined
- May 28, 2011
- Member Type
- Student or Learner
- Native Language
- Persian
- Home Country
- Iran
- Current Location
- Canada
Which preposition is correct?
They had to do research in microbiology about/ on the effect of Cefixime in the treatment of ......
Thank you for your response.
They had to do research in microbiology about/ on the effect of Cefixime in the treatment of ......
Thank you for your response.
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