Поставьте к ним общие и специальные вопросы: 1. my colleague has translated business letters into russian. 2. my mother has cooked dinner. 3. our neighbour has finished his work. 4. the children have answered all the questions. 5. the secretary has received a fax. 6. my friends haven't invited me to the party. 7. my cousin and her boy-friend have married. 8. students have returned journals to the teacher. 9. the teacher has corrected our mistakes. 10. my friend has used my brother's computer.