Fill in correct articles. 1. When my dad was in the hospital, someone took him fir a doctor by _ mistake. 2. He bought

1. When my dad was in the hospital, someone took him to a doctor by mistake. 2. He bought a new house and has been in debt since that time. 3. Perhaps the most difficult thing for him to do was to keep the house. 4. Children were asked to learn the poem by heart. 5. The miners have been on strike for two week. 6. There was nothing in common between them. 7. The products on sale are with expired dates. 8. He flew into a fury having learnt about their betrayal. 9. All of a sudden the sky became dark and the storm began. 10. Almost a year ago they lost contact with their brother. 11. My father has been in change of the factory for two months. 12. Don\'t be in a hurry, they can wait for you.