Ex. 1. 1b; 2b; 3b; 4a; 5a; 6b; 7a.
Ex. 2. c.
- The old square is not so big as the new square./The new square is not so small as the old square.
- Roy is not so tall as Bob.
- Jane is as old as Pat.
- Moscow is as beautiful as London.
- The Oka is not so long as the Volga.
- Winters are not so pleasant as summers.