Change the voice:Who opened the door?
By whom was the door opened?
The door opened by whom?
By whom the door was opened
By whom was opened the door?
Explanation:
Correct Answer is: By whom was the door opened?

By whom was the door opened?
The door opened by whom?
By whom the door was opened
By whom was opened the door?
Correct Answer is: By whom was the door opened?

What is the noun form of the word `pronounce`? Option A: pronunciation , Option B: pronounciation , Option C: pronountiation, Option D: pronounciasion, correct answer is: pronunciation
Which of the following uses correct noun form of `assure`? Option A: I am not assuring you. , Option B: I can\'t give you assurance , Option C: I am assured about it., Option D: People become assured about it., correct answer is: I can\'t give you assurance
Which one of the following words is not a verb ? Option A: threaten , Option B: bounden , Option C: worsen, Option D: flatten, correct answer is: bounden
He can work hard. Here hard is used as ___ Option A: adjective , Option B: adverb , Option C: noun, Option D: verb, correct answer is: adverb
The word productivity is a/an—- Option A: adjective , Option B: adverb , Option C: verb, Option D: noun, correct answer is: noun