1. Trees can't grow here because the soil is too ....... (pollute)
2. Many seabirds were ........ because of the soil spill. (die)
3. We mút learn about keeping the environment ........... (pollute)
4. Scientists say that exhaust fumes are .............. our city. (poison)
5. If we (recycle) ........... more, we (help) ............ the Earth.
6. America (celebrate) ........... Thanksgiving Day on the fourth Thursday of November since 1864.
7. Food and medical supplies (deliver) ............ to the victims by the rescue team yesterday.
Giúp mik vs ạ mik cần gấp!!!