Is this laptop is the most modern one here? 

Jack swims the best on my team

Going by bus is not a safe as going by plane

Peter's wife earns more money than he does.

My neighborhood isn't as peaceful as hers.

Calor  Looks at the patients the most carefully.

that river is not as clean as this river

TL:

1. Is this laptop is the most modern one here

2. Jack swims the best on my team

3. Going by bus is more dangerous than going by plane

4. Peter's wife earns more money than he does

5. My neighbourhood isn't as peaceful as hers

6. Calor looks at the patients the most carefully

7. That river is as polluted as this river