Choose the right variant.
1.The Nistru is longer / the longest than the Prut .
2.Strawberries are sweeter / the sweetest than blackberries.
3.Tim's dog is more playful / the most playful than his cat.
4.The giraffe is taller/ the tallest animal at the zoo.
5.Peaches are more delicious /the most delicious summer fruits.