• 2022-06-01 问题

    An elephant has long _ A: Tooth B: Teeth C: Tooths D: Teethes

    An elephant has long _ A: Tooth B: Teeth C: Tooths D: Teethes

  • 2022-06-03 问题

    We should take good care of our____. A: teeth B: tooth C: teethes D: toothes

    We should take good care of our____. A: teeth B: tooth C: teethes D: toothes

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