Comparative and superlative adjectives

Write the sentence correctly: Turtles are slow than lions.

Write the sentence correctly: I think Russian is the easiest than English.

Write the sentence correctly: Cars are fast than bikes.

Write the sentence correctly: He wants to have a biggest car than now.

Write the sentence correctly: Dogs are popularer than crocodiles as pets.

Write the sentence correctly: Pigs are heavyer than cats.

Write the sentence correctly: Parrots are the most intelligent than other animals.

Write the sentence correctly: Lions are more rare than mice.

Write the sentence correctly: What is the better film you have ever seen?

Write the sentence correctly: I am tall than my sister.