Question

Change to passive voice ... - Who knocked on the door​

Answer 1

$\huge\boxed{\fcolorbox{black}{lime}{\red{here is your correct answer.}}}$

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the door has been knocked by whom

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$\huge\sf{\pink{\fbox{\purple{\fbox{\blue{\fbox{\pink{Hope it helps you❤✌}}}}}}}}$

$\huge\star\underbrace{\mathtt\red{❤Brainliest\:Please❤}}\star\:$⠀

Answer 2

The door is knocked by whom?