Ответ:
A: I want to organise a clean-up day.
B: Can I join you?
A: I'd love to help poor peaople in other countries.
B: You could donate money to a charity
A: We should all do something to protect the enviroment
B: Yes, people need to stop cutting down so many trees.
A: What ccan I do to reduce air pollution?
B: You could try walking instead of driving to school.