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interjection American English pronunciation: OK /oʊˈkeɪ/
  1. 1
    used for showing that you agree with something, approve of it, or understand it

    "I'd like to buy some new clothes." "OK."

    OK, but I don't see how that proves your point.

    1. a.
      used for asking if someone agrees with what you have just said, or if he or she understands it

      Let's go see a movie tonight, OK?

      So that means that "C" is the best answer. OK?

  2. 3
    used when you want someone to stop arguing with you or criticizing you. This word often shows that you accept what they are saying but do not think it is important

    "Your boss will be angry if you're late." "OK, but he won't fire me."

    OK. You're right. I should have called you sooner.

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