During the storm, the … are very dangerous for ships and sailors.
c). cliffs
2. The Sahara … is the largest on a planet.
b). desert
3. In big cities, lots of people are fond of … . they usually run in the parks and along the streets.
c). jogging
4. The … of mountain Everest is 8,848 metres.
a). height
5. Each country has its own … of nature. For example, Russia is famous for its Lake Baikal.
b). wonders
6. 6. The…. of the Thames is just over 330 km long
b). length