1

Which of these sentences sounds more american? and which sounds more polite against who is important for you like a professor or boss?

first:

Thanks for your prompt response

second:

Thanks for your quick answer

third:

Thanks for your fast reply

closed as primarily opinion-based by FumbleFingers, Drew, user66974, Chenmunka, choster Sep 18 '14 at 18:52

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    Promptness is what you want to emphasize. It speaks about the time between a request and its response or between an expected event and the actual event. Whether a reply is fast or an answer is quick is irrelevant. You don't care how fast the reply moved as it was delivered; you care about the delay between request and response delivery. But to answer your question: they are all American, and none is more so than the others. – Drew Sep 18 '14 at 16:47
5

Personally I would say;

Thanks for getting back to me so quickly.

This is casual but still serious. It is American and respectful.

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