6) A sea is deeper than a river.

7) A skyscraper is taller than a townhouse.

8) His iPad is more expensive than mine.

9) Tom's kitchen is not as modern as Mary's one.

10) Our curtains are not as colourful as theirs.

4. 1) as tall as;

   2) as nice as

   3) as light as

   4) as thin as

   5) as old as

   6) as tall as

   7) is not as beautiful as

   8) is not as comfortable as

   9) as modern as

   10) is not as small as