Most shameful thing you've ever done?

[kazana]

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I'm to ashamed.

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You nailed your teacher when she was actually supposed to teach class the difference between "to", "two", and "too"?

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Actually I do know how to use them. I don't know why that one got by.

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No worries, I just felt the urge to post a snarky comment. This time, I don't know why that one got by.