Answer: A) He is the most famous person I have ever met.
Explanation for this question is being written.
Answer: C) My old house is smaller than my new one.
Answer: B) Mr. Pike is the most careful driver in the company.
Answer: A) Change fiercer to fiercest.
Answer: B) Younger
Answer: D) A and B are correct.
Answer: D) Alice is the most beautiful girl in our class.
Answer: C) Strong
Answer: D) I've never eaten the better food in this country before.
Answer: A) I have never met a more intelligent woman than her.
Answer: A) Mai is the most intelligent in my class.
Answer: D) Mr John is the best teacher in this school.
Answer: D) She is the tallest of all her sisters.
Answer: C) The pen is more expensive than the book.