Ответ:

2 I'm too tired to study.

3 Tom is too busy to come to the phone.

4 Paul ran fast enough to win the race.

5 We have enough money to buy a car.

6 She is too young to drive.

7. This food is too hot for me to eat it.

8. David speaks loudly enough for us to hear him.

Объяснение:

too - слишком (негатив) перед прилагательным

enough - достаточно (позитив) после прилагательного