Поставьте слова в скобках в нужной форме 1 Which is (large), the USA or Canada 2 What is the name of the (big) river

1. Which is larger, the USA or Canada? 2. What is the name of the biggest river in Russia? 3. Moscow is the largest city in our country. 4. There is a greater number of motor-cars in the streets of Moscow than in Penza. 5. St.Petersburg is one of the most beautiful cities in the world.