Answer:
a. My city is OLDER than yours.
B. Jane is TALLER than Melissa.
c. Dogs are usually HEAVIER than cats. d. Watching a film in DVD is CHEAPER than going to the theatre.
E. The book I'm reading is much MORE INTERESTING than all the books I've read in the past.
Explanation:
These are the the correct adjectives to use to complete the sentences according to the given words in parentheses.