Ответ:

1. The plain is faster than the car.

2. Molly is the prettiest girl in my class.

3. This river is deeper than this lake.

4. It was the most wonderful present I`ve ever had.

5. My cousin is younger than I am.

6. It is the easiest task in the test.

7. The film is more amazing than the book.

8. The Mona Lisa is the most popular painting in the world.

9. The athlete takes the 1st place, he is the strongest.

10. When I took a puppy, I was the happiest boy.  

Объяснение: