Use the articles where necessary to complete the sentences. 1.I think that ... Russia is ... best country in ... world.

 1. I think that Russia is the best country in the world. 2. There is a big shopping centre in the north of the city. The shopping centre has become very popular with customers. 3. Where are the letters you are talking about? That`s the only question I`ve got. 4. The thermometer is used for measuring temperature. 5. The book in a yellow and brown cover is our English textbook.