1.We can"t climb in this weather. It's DANGEROUS.
2.Have you got FOOD for the party
3.She can't see the film. She"s OLD.
4.Why do you need to do so much exercise?
1) Jerzy is fitter than Anna.
2) Jerzy is goodest in sport than David.
3) David is healthier than Anna.
4) Maria is more energetic than Anna.