Change the following sentence into the Active form.
Let no stone be left unturned in the search for the missing documents.
Show answer & explanation
Correct answer: C
Explanation
The given sentence, "Let no stone be left unturned in the search for the missing documents," is in the passive voice. To convert it to the active voice, the focus should be on the action performed by the subject (implied "you") rather than the object ("no stone").
Option (C) uses an imperative active structure, making it the correct conversion.