Ответы
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 ( hadn't 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. V
3 Many explorers ( had tried) to climb Mount Everest before Tenzing Norgay and Edmund Hillary reached the peak in 1953. V
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 shot journey underwater. V