Answer: D) More and more quickly.
Explanation for this question is being written.
Answer: A) Than
Answer: C) Greyer
Answer: B) A lot better.
Answer: B) More crowded than.
Answer: C) More colourful than.
Answer: A) Prettier
Answer: B) Cleverer
Answer: A) Such small quantities.
Answer: B) More comfortable than.
Answer: D) More clearly Edit.
Answer: C) More beautiful.
Answer: D) The fastest.
Answer: A) More / the better.
Answer: D) More slowly.
Answer: B) Hotter
Answer: B) More
Answer: A) As many school subjects as.
Answer: A) Best
Answer: D) More beautiful.
Answer: A) More quickly.
Answer: C) Rainier
Answer: A) Better
Answer: B) Fewer
Answer: B) Narrower
Answer: B) Faster
Answer: D) More poisonous.
Answer: C) More interesting.
Answer: A) Cheapest / less.
Answer: C) More boring.
Answer: B) More often.
Answer: A) Fatter
Answer: C) The further / the more.
Answer: C) More carefully.
Answer: C) -er/-est
Answer: A) Too
Answer: A) Comparative: more intelligent; Superlative: most intelligent.
Answer: B) The nicest.
Answer: A) More frequently.
Answer: D) More difficult.
Answer: A) True
Answer: B) Incorrect
Answer: A) Bigger, biggest.
Answer: C) Hotter
Answer: A) -er
Answer: B) MORE-THAN
Answer: D) Bigger
Answer: C) Almost always.
Answer: A) Happier
Answer: B) Earlier
Answer: C) More exciting.
Answer: D) We must add ER at the end of the adjective.
Answer: A) Easier
Answer: B) More interesting.
Answer: B) More brightly.
Answer: A) Er
Answer: C) More dangerous.
Answer: B) Large-larger-largest
Answer: C) She runs faster than him.