MCQ Practice English 📖 What is the passive voice of 'who did this'-? ক by whom this has been doneখ By whom was this doneগ who did thisঘ who has done this Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in Teacher Recruitment Preliminary Question Bank Quiz and Solution English Language and Literature 2018 suspended 2014 exam,held in 2018 (3)Question 6 Teacher Recruitment Preliminary Question Bank Quiz and Solution English Language and Literature 2018 suspended 2014 exam,held in 2018 (3)Question 6 PreviousThe passive form of ‘He is writing a letter’ is --- NextWhich one is correct form of 'Who gave you this pen?'