1.That was the most boring movie I've ever seen.I almost walked out in the middle.
2.Pizza is the most delicous food in the world!
3.Harry is the best student in our class.He gets the top grades in every course.
4.The Pacific Ocean is the largest ocean in the world.It covers about 170 million square kilometers.
5.The Atacama desrt is the driest desert in the world.It receives just 1mm of rain per year.
6.He is the worst speaker I have ever heard.Half the audience fell asleep during his speech.
7.Mount Everest is the highest mountain in the world.
8.That is the most valuable painting in the art gallery.It's worth a million dollars.
9.Switzerland is one of the richest countries in the world.
10.Arthur hates to clean.He has the dirtiest apartment I've ever seen.