Complete the sentences with the superlative form of the adjectives in brackets.

1. Brazil is the biggest country in South America. 2. Mont Blanc is the highest mountain in the Alps. 3. The Nile is the longest river in Africa. 4. New Zealand is the farthest country from the UK. 5. The underground is the best way to get around London. 6. Physics is the easiest subject for me. 7. Iceland is the safest country in the world. 8. Oxford and Cambridge are the oldest universities in the UK.