Complete the sentences with words from ex.8 1. the is 3,730 km long. it is one of the longest in the world. 2. in england is famous because of the robin hood legend 3. the is between southern europe and north africa. 4. niagara falls is the second in the world. 5. the is in northern africa. 6. the largest in the world is in russia. 7. santorini is a very in greece. ! !