1 These exercises aren't easy enough. (difficult) -->

2 The Formula 1 car isn't fast enough. (slow) -->

You cannot walk on the entire wall because it (3) is strong enough / isn't strong enough

4 It wasn't the right temperature to snow. (cold). -->

2 We had enough time to visit the castle, but it was ... (crowded).

If you have (5) too time / enough time, you can walk next to the wall for 135km,

1 It was too cold to visit the caves. It was ... (warm).

The Romans left Britain at the beginning of the fifth century when the Roman Empire became (2) not big enough / too big and the wall began to become a ruin.

3 Six people wanted to go to the museum. Luckily, Carla's car was ... (big).

3 Ted is the right height to join the army. (tall) -->

You cannot walk on the entire wall because it's (4) too old / not old enough.

It was built by the Roman Emperor Hadrian and for centuries it was (1) big enough/ enough big to stop the barbarians invading England.

5 The reef is not safe for children. It's ... (dangerous).