3. If we ... (not to restore) an ecological balance on our planet.
we ... (not to leave) our earth clean and healthy for future
generations.
1. If we ... (to plant trees), we ... (to reduce) air pollution.
6. If we ... (not to educate) public about the importance of
nature protecting, we ... (to destroy) our planet.
6.". The animals ... (to disappear) if we ... (not to protect) them
and places they live in.
7. If we ... (rior to begin to change our behaviour, we ... (not to
lave) the world to live.​

Zaika20051    3   05.05.2020 10:59    0