1.Which is the biggest city in the world/in Romania?
2.Which is the largest planet in the solar sistem?
3.Which is the heaviest land animal in the world?
4.Which is the tallest animal in the world?
5.Which is the longest river in Europe/in the world?
6.Which is the highest mountain in Europe/ in the world?
7.Which animal lives the longest?
8.Which country has the largest population in the world?