Write in as ... as, so ... os.
1. This book about the UK i s heavy that one.
2. These mountains are old those mountains in the USA.
3. Now he speaks English not fluently he did a year before.
4. The Volga is n o t long the Nile.
5. Literature i s interesting to m e History.

1. This book about the UK is as heavy as that one. 2. These mountains are as old as those mountains in the USA. 3. Now he speaks English not so fluently as he did a year before. 4. The Volga is not so long as  the Nile. 5. Literature is as interesting to me as History.