1. When he (to enter) the wood he (to feel)
the clean and fresh air.
2. Yesterday he (to sit)
on the bank of the river and (to admire)
the swans swimming.
3. The birds (to fly).
to the south by the end of September.
4. It's a pity people (to pollute)
the nature for years.
5. How long they (to plant) plant trees?
6. When I came to the lake I noticed birds that (to come).
already from the south.
7. Look! Those swallows (to build)
a lot of nests already.
8. They say the woodpecker (to protect)
the trees from different insects.
9. Our Government (to decide)
to clean up the lake in Valea Morilor, so people
(to enjoy)
swimming in it.
10. It (to become)
a tradition in our district to clean up the brooks in spring.