Respuesta :

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Answer:

We are going to knoak calmly on the door to the old library.

Explanation:

Answer: Rephrase the sentence with more formal grammar:

We will knock the old library down.

The old library will be knocked down.

Explanation: Move the direct object of the Active sentence to be the subject of the Passive voice sentence. Change the main verb to its past participle form. Add a form of the verb "be" as an auxiliary.