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3. The weather was fine enough for us to go camping
4. Those apples aren't ripe enough for us to eat.
5. Mr.Robinson isn't rich enough to buy a house.
6. The worker is clever enough to make fine things from wood.
7. He wasn't very exprienced enough to do the job.
8. She isn't old enough to ride a motorbike.
9. The boy is too young to understand this.
10. The radio isn't big enough to put in your pocket.

11. This coat isn't warm enough to wear in winter.
12. This book is too big to put in your pocket./ This book isn't small enough to put in your pocket.
13. The weather isn't warm enough to go swimming.
14. I am lucky enough to have many good friends.
15. This exercise isn't easy enough for me to do.
16. He isn't old enough to drive a car.
17. It was such an interesting book that I read it twice./ The book was interesting enough for me to read twice.
18. The water is so cold that you can't go swimming today./ The water isn't warm enough for you to go swimming today.