2. Indique qual a função das palavras destacadas de acordo com o quadro. ability - advice - obligation

- permission - possibility - prohibition - request
a) Our planet may face the greatest environmental, social and economic threats.
b) We can predict possible climate changes.
c) Developed countries must reduce dangerous emissions.
d) I think people should learn how to preserve the environment.
e) Can you stop wasting water?
f) Factories must not throw toxic waste in rivers.
g) Can I wash the car?

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