Put the sentences in the passive form. 1. students wrote a lot of articles for the school newspaper. 2.we'll plant all the trees tomorrow. 3. people in russia speak more than 100 languages. 4. they won't construct the building in time. 5. people protect nature in a lot of countries.

1. A lot of articles were written for the school newspaper.
2. All the trees will be planted tomorrow.
3. More than 100 languages are spoken in Russia.
4. The building won't be constructed in time.
5. Nature is protected in a lot of countries.