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- 2. Complete the sentences with the correct word. driving nationality twins deserts capital credit wavy north slim middle late rivers 1. Russia is a beautiful country with lots of seas, ........ and lakes. 2. In Africa there are a lot of 3. What is he? He's French. 4. My grandparents are in their 5. Has Dan got a 6. Laura has two brothers. They are ... 7. Helen is tall and 8. London is the 9. Her mother is a 10. Milan is in the 11. Kate's hair is long and 12. Kim has got two
- 3. Choose the correct item. 1. This camera isn't my/mine. 2. What is her/hers address? 3. This school isn't ours/our. 4. That black car over there is theirs/their. 5. What's your/hers telephone number? 6. Is this skateboard her/his? 7. Tony has got a new flat. His/her flat is great! 8. Olga and Mike are my/mine friends. 9. Their/theirs house is very modern. 10. I live in Canada. Your/my nationality is Canadian. 11. Is Rita yours/your sister? 12. Are these books ours/our? 13. This is Dima and this is he/his brother Vova. 14. Fiona and Ann are sisters. Our/their surname is Harris. 15. You can have this book. It's yours/your.
- 8. Период колебаний звуковой волны 15 мс. Скорость звука в воздухе 340 м/с. Длина волны в этой звуковой волне равна:
