1. Pupils must come to school in time. 2. The child can talk now, but two years ago he could speak only a few words. 3. Could you tell me the way to the post office, please? 4. I had to study hard yesterday as I had a difficult exam. 5. People must not cross the street when the light is red. 6. I can’t come now but I think, I will be able to come in an hour. 7. I had to go to work though I didn’t want to. 8. You should go to the dentist if you have any problem with your teeth. 9. Take your umbrella with you. It may rain. 10. Can/could I have another cup of tea?
1. Russia is the largest country in the world in terms of area.
2. The area of Russia is approximately equal to the surface area of the planet Pluto.
3. Moscow is the capital of Russia, and it is one of the largest cities in the world.
4. Other main cities of Russia are St. Petersburg, Novosibirsk, Ekaterinburg and Omsk.
5. Russian language is considered one of the richest and difficult for learning.
6. Territory of Russia covers eleven time zones.
7. It includes various climate and relief types.
Объяснение: