Ответ:

1 as fast as

2 not as tall

3 not as low as

4 as bad as

5 as optimistic as

6 not as windy as

7 as delicious as

8 not as sweet as

9 as brave as

10 not as heavy as

Объяснение:

там где простое без 'not'

там просто "аs....as"