Answer: B) Isn't he.
Explanation for this question is being written.
Answer: A) Did they?
Answer: D) Did they.
Answer: D) Are they.
Answer: D) Did they?
Answer: A) Have they.
Answer: A) Didn't they?
Answer: A) Did they.
Answer: C) Haven't they?
Answer: B) Have they?
Answer: D) Haven't they.
Answer: D) Didn't they.
Answer: C) Do they.
Answer: B) Aren't they?
Answer: C) Did they.
Answer: C) Shouldn't they.
Answer: A) Do they.
Answer: C) Did they?
Answer: D) Aren't they?
Answer: B) Isn't it.
Answer: B) Did they.