умаляю у мене не получается

1. glasgow is situated on __the_ river clyde. 2. the nile flows across _the__ north-eastern part of africa to the mediterranean sea. 3. mr. oliver was born on _the__ british isles but now lives on one of _the__ islands in _the__ pacific ocean. 4. _the__amazon is the longest river in the world. 5. __the_ swiss alps is _the__ best place for mountain skiing. 6. sea and atlantic ocean surround __the__ british isles. 7. what do you know about __the__ sahara desert? 8. when __the__ titanic was crossing __the__ atlantic she struck an iceberg. highest buildings are in new-york. boy has just started going to school; __the__ oldest boy is at college. 11. in __the__ second course they study history of __the__ usa. day was like first. 13. february is shortest month of __the__ year. 14. __the__ new year begins on 1st of january. 15. __the__ largest open space in west end of london is hyde park. 16. young feel more free than __the__ old. 17. __the__ prime minister is __the__ most important person in britain after __the__ queen. 18 __the__ 22nd of june is __the__ longest day of __the__ year. 19. the landlord found the servants among __the__ poor. объяснять каждый случай употребления артикля письменно - этот надо пол-учебника здесь перепечатать. нереально.