Verified answer

a) We compare two things in every sentence.

b) -er( cheaper)

c) we put double GG because the adjective BIG is a one-syllable word ends in “consonant+ short vowel+ consonant”

d) we put MORE before long adjectives

e) we change Y into I +er friendlier

f) we use THAN after adjectives

g) the comparative form of good is BETTER