Select the option that expresses the given sentence in active voice.
Let the door be closed.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e. “Close the door.”
The sentence “Let the door be closed.” is a passive‑voice imperative: it uses the structure Let + object + be + past participle to turn a command into passive form.
To convert it back into active voice, you use the simple imperative form: Base verb + object, with the implied subject being “you.”
Hence, 'Close the door.' is the direct active‑voice equivalent.
Why the other options are incorrect:
'The door will be closed.' – Future passive, not an active command.
'The door is closed.' – Present passive, expository, not imperative.
'Please let him close the door.' – A polite request, but very different meaning (someone else closes it), not the direct command “you” closing it.