1. Where is English spoken?
2. Who is this text-book is written by?
3. Whose sonnets were translated by Samuil Marshak?
4. When has St. Basil's Cathedral been restored?
Так лучше: When was St. Basil's Cathedra restored?
5. How will the news be announced tomorrow?
6. How has his absence been explained?
7. When will he be sent to Ecology School?
8. How often are the lectures on Theory of Education delivered?
9. What are computer programmes used for in teaching English?
10. Who is invited on a tour over St. Petersburg?
1. We have been doing this research since 2019.
2. The Institute of Geophysics is currently carrying out the research into the structure of these planets.
3. Our scientific contacts with European countries grew very quickly in the first decade of the 20th century.
4. We have just finished the analysis of the mixture.
5. In the past centuries, many universities were controlled by the church.
6. This technological process has greatly improved due to a fortunate accident.
7. This assumption has not yet been verified.
8. Today, this compound is widely used for the production of synthetic rubber.
9. The established mechanisms of the biosphere are being disrupted by huge volumes of modern synthetic compounds.
10. The biosphere was interpreted by Vernadsky as the global envelope produced on the Earth with the development of life.