1. Complete the sentences. Circle the right letter.1

1. Complete the sentences. Circle the right letter.1. During the storm, the … are very dangerous for ships and sailors. a. hills b. mountains c. cliffs 2. The Sahara … is the largest on the planet. a. valley b. desert c. park 3. In big cities, lots of people are fond of … . They usually run in the parks and along the streets. a. cycling b. hiking c. jogging 4. The … of mountain Everest is 8,848 metres. a. height b. lenght c. high 5. Each country has its own … of nature. For example, Rassia is famous for its Lake Baikal. a. works b. wonders c. surprises2. Complete the text. Fill in the definite article THE if necessary.