Mr. Chen has two __________. A: tooths B: teeth C: teeths D: toothes
Mr. Chen has two __________. A: tooths B: teeth C: teeths D: toothes
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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