Test 1. It's
(difficult) rule of all.
a. difficult
b. more difficult
c. the most difficult
d. difficulter
2. This pen writes
(good) than my previous
one.
a better b.gooder c. good d. the goodest
3. This athlete is
(strong) than this
competitor.
a strong
b. the strongest
c. more strong
d. stronger
4. This pupil is
(clever) in the class.
a. clever
b. more clever
c. the cleverest
d. the most clever
5. This is
(old) castle in Britain.
a. the oldest b. the eldest c. an old d. older​