`Why are you doing this?` — Change it into passive voice.
Why this is done by you?
Why is this done by you?
Why is this being done by you?
By whom is this done?
Explanation:
Correct Answer is: Why is this being done by you?

Why this is done by you?
Why is this done by you?
Why is this being done by you?
By whom is this done?
Correct Answer is: Why is this being done by you?

Don`t drop cigarette ash about. The underlined word is used here as: Option A: Preposition , Option B: Adjective , Option C: Adverb, Option D: Pronoun, correct answer is: Preposition
Which one of the following sentence has an adverb? Option A: She speaks well in English , Option B: I am well , Option C: keep your passport safe, Option D: Don\'t be careless about spelling, correct answer is: She speaks well in English
The noun of `bore` is- Option A: boring , Option B: bores , Option C: bored, Option D: boredom, correct answer is: boredom
Shakespeare is a great “dramatist”- the quoted word is- Option A: Proper noun , Option B: Abstract noun , Option C: Collective noun, Option D: Common noun, correct answer is: Common noun
Which one is the verd form of `Loss`? Option A: Lost , Option B: Lose , Option C: Loose, Option D: None of these, correct answer is: Lose