Réponse :
a.
1. The red car is smaller than the white one.
2.Normal cars are not as safe as driverless cars.
3.Lego bricks are less resistant than real bricks.
4.This camera takes better pictures than my telephone.
b.
1. The lemon is smaller than the grapefruit. / The grapefruit is bigger than the lemon.
2. The paper bag is better for the environment than the plastic bag. / The plastic bag is less good for the environment than the paper bag.
3. The pear computer is as cheap (or expensive) as the other one. / The pear computer has the same price than the other one.
4. The normal bike is cheaper than the electric bike. / The electric bike is more expensive than the normal bike.
5. The sat nav is safer than (better than, more detailed than,...) the map. / The map is less safe than (less good than, less detailed than,...) the sat nav.
Explications :
J'espère que ça va t'aider
