a) the chimpanzee's behaviours
b) chimpanzees eats meat and chimpanzees make tools
c) because scientists thought only humans could make his only tools and it was unknown the chimpanzees taste for meat.
a) ela estudava o comportamento de chimpanzes;
b)ela descobriu que chimpanzes comem carne e fazem suas próprias ferramentas;
c) essa descoberta foi importante porque os cientistas acreditavam que só os humanos eram capazes de fazer a própria ferramenta, e antes era desconhecido o gosto por carne.
1. it is being painted
2. weren't invited
3. it was repaired
4. was repaired
5. are made
6. were they built
7. is there anyone using the computer
8. what are they called
9. were blown
10. was damaged / not repaired