I.

1. She is old enough to work by herself

2. The boy is intelligent enough to understand you.

3. Mai is good enough to pass the examination.

4. The girl isn't clever enough to mend this shirt.

5. This machine is not powerful enough to plough the hard oil

6. Your sister was clever enough do this exercise in a few minutes.

7. Peter is ill enough to see the doctor.

8. Mary isn't old enough to do that work.

9. We weren't early enough to see the first part of the play

10. The children were eager enough to play without me

11. He is tall enough to play volleyball

12. My sister is old enough to drive a car.

13. She is beautiful and intelligent enough to become Miss World

14. Mr. Robinson isn't rich enough to buy a house

15. The worker is clever enough to make fine things from wood.