CD C
1
a go
a gone
с
Choose the correct answers.
1 Many explorers have
to the North Pole
b been
c going
2 Nobody is here. They have to find new species in the
rainforest
b been
going
3 Edmund Hillary and Tenzing Norgay got to the top
of Mount Everest
a since 1953 b almost 60 years ago c for almost 60 years
4 Kate has been studying endangered species
a for ten years b since ten years
ten years
5 He has been collecting fossils he was a student
a for
b ago
C
since