1. My sister is old enough to drive a car.
2. The ladder wasn't long enough to reach the ceiling.
3. The fire isn't hot enough to boil the kettle.
4. He is strong enough to carry that suitcase.
5. Lan isn't strong enough to swim across the river.
6. She is beautiful and intelligent enough to become Miss World.
7. Mr Robert isn't rich enough to buy a house.
8. The worker is clever enough to make nice things from wood.
9. Our team is good enough to win the football matches very often.
10. The radio isn't small enough to be put in your pocket.