Aplicația este accesibilă de pe ecrane late

You .......... (save) your community if you ....... (plant) trees every year
How long can glass last if you ......... (not break) it up?
If people ........ (re-use) plastic bags, how much cheaper ........ (cost) the things they buy?
We ........ (save) a lot of trees if we ....... (recycle) paper.
If I .......... (see) people throwing trash in the street, I .......... (ask) them to find a bin.
People ....... (pollute) less if they ....... (separate) the trash.