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Gunpowder Mixture Potassium Nitrate Charcoal Sulfur Had​ Was​

This flashcard teaches that the verb "was" is the correct one to complete the sentence "Gunpowder … a mixture of potassium nitrate, charcoal and sulfur."

Este flashcard enseña que el verbo "was" es el correcto para completar la oración "Gunpowder … a mixture of potassium nitrate, charcoal and sulfur."

Question Gunpowder … a mixture of potassium nitrate, charcoal and sulfur.
Title 951
QType (0=kprim,1=mc,2=sc) 2
Q_1 had​
Q_2 was​
Q_3 had been
Answers 0 1 0

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