Question 1
What is the plural of "tooth"?
Questions in this subject are always in English
The text is what is being learned, so translating it would change the exercise. Explanations still follow your chosen language.
What is the plural of "tooth"?
What is the plural of "woman"?
What is the plural of "cactus"?
Five questions on this topic, marked at the end. No hints and no answers along the way — that is what makes the result mean something.
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