My box isn`t (heavy)as your.
These exercises are (easy) than in the book.
Which house is (high) in your street?
To fly is (quick) than to go by car.
Whose child is (old) than my?
This example is (simple) of all.
He isn't so (stupid) as your brother is.
Which country is (beautiful)?
My (old) sister is two years (old) than I.
She is (attentive) child in her class.

These exercises are easier than in the book. Which house is the highest in your street? To fly is quicker than to go by car. Whose child is older than mine? This example is the simplest of all. He isn't so stupid as your brother is. Which country is the most beautiful? My elder sister is two years older than I. She is the most attentive child in her class.