Answer: D) How deep.
Explanation for this question is being written.
Answer: C) Who
Answer: B) Who
Answer: B) How
Answer: D) When
Answer: C) What
Answer: B) Why
Answer: C) How often.
Answer: C) When's your birthday?
Answer: A) What
Answer: C) What is your favourite color?
Answer: A) Who/What?
Answer: C) Which
Answer: C) Where
Answer: D) How long will she stay with us?
Answer: A) What kind of.
Answer: B) Will time travel be possible?
Answer: D) How old.
Answer: A) Where
Answer: A) How
Answer: C) Where do they work?
Answer: B) When
Answer: D) How many books are there?
Answer: C) Why
Answer: C) Verb + Subject + Object.
Answer: A) When
Answer: D) Why
Answer: A) Would water scarcity be a problem if other living beings were in charge?
Answer: C) When
Answer: D) What
Answer: A) How long.
Answer: D) Where
Answer: B) Are you happy today?
Answer: B) Where
Answer: C) How
Answer: D) How often?
Answer: B) Where was your mother yesterday evening?
Answer: C) Did you think that.
Answer: A) What did she do with her sister at the party?
Answer: B) Do you often travel.
Answer: B) Do you go.
Answer: A) How much.
Answer: D) How old are you?
Answer: B) What's