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Leia o trecho da canção “Blowing in the Wind”, do artista Bob Dylan. Na sequência, identifique a afirmação correta.
How many roads must a man walk down before you call him a man?
How many seas must a white dove sail before she sleeps in the sand?
Yes, and how many times must the cannonballs fly before they’re forever banned?
The answer, my friend, is blowin’ in the wind
The answer is blowin’ in the wind
O termo must, em destaque, é um exemplo de: