Yes, when I saw the math hydrogen poetry home, I regretted using the dot big. becuase the answer was coorrect but the dot was not big,
but I thought it was not doted, so the teacher marked it wrong. = Yes, I have. I regretted not using a big dot in my _______. My answer was correct, but the dot was not big enough, so my teacher marked it wrong.

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Sorry, I didn't know what "math hydrogen poetry home" meant. Is like a test?