Решение:
Вставляем артикли 'a', 'an', 'the' или оставляем пропуск пустым, где они не нужны:
- 1 The Thames is a river in London.
- 2 Lake Baikal is in Russia.
- 3 There's a car outside our house. The car is new.
- 4 A cheetah is the fastest animal on Earth.
- 5 The Pyrenees is a range of mountains in southwest of Europe.
Ответ: 1. The, a; 2. ; 3. a, The; 4. A, the; 5. The.