Ответ:

1. Show me a brighter shirt.

2. They decided to buy a cheaper car.

3. I think he is my best friend.

4. She is two years younger than him.

5. This street is the longest in the city.

6. Now is the driest season there.

7. The blue dress is shorter than the black one.

8. These shoes are the most expensive in the store. 9. Anna is the smartest student in the group.

10. It is easiest to find the right goods here.