7 7.
5 Write sentences using the past perfect
affirmative (v) and negative (X).
By the age of 30, Captain James Cook had visited
many exotic places, but he (be) to Australia. X
By the age of 30, Captain James Cook had visited
many exotic places, but he hadn't been to Australia.
1 The Portuguese explorer Vasco da Gama
(see) penguins before he travelled to South
Africa in 1497. X
2 After he (make) a pilgrimage to the city
of Mecca in 1325, Ibn Battuta decided to
become an explorer. ✓
3 Many explorers (try) to climb Mount Everest
before Tenzing Norgay and Edmund Hillary
reached the peak in 1953. ✓
4 People in Europe (not eat) potatoes until
Christopher Columbus brought some from
America. X
5 More than 400 years after Magellan (sail)
around the world, the US submarine Triton
made a similar journey underwater. ✓
1 The Portuguese explorer Vasco da Gama had not seen penguins before he travelled to South Africa in 1497. X
2 After he had made a pilgrimage to the city of Mecca in 1325, Ibn Battuta decided to become an explorer.
3 Many explorers had tried to climb Mount Everest before Tenzing Norgay and Edmund Hillary reached the peak in 1953. ✓
4 People in Europe had not eaten potatoes until Christopher Columbus brought some from America. X
5 More than 400 years after Magellan had sailed around the world, the US submarine Triton made a similar journey underwater .
Объяснение: вроде правильно