Всем привет, посмотрите может у кого то есть ответы к unit 4, буду очень благодарна

Last week i was on an excursion there. first we listened to a lecture on the history of our region which was very interesting. then a guide showed us the exposition of the museum. we walked through its halls looking at different stands with exhibits. there were ancient vases and coins, dishes and bowls, tools and arms. the guide told us about the origin and the age of the exhibits and answered our questions. the girls asked questions about national costumes and dishes and the boys were interested in arms.

Normally, he works in the office. 2. she always walks in this park. 3. yesterday he received a letter. 4. a week ago my sister was washing the windows. 5. in two hours i will watch tv. 6. my brother usually buys notebooks and pens. 7. yesterday i did not repeat the words. 8. in the morning, i usually do not watch tv. 9. several years ago my grandfather played football. 10. last week he was cleaning the flower bed. 11. you will buy this painting tomorrow. 12. he will play computer games tomorrow. 13. mom rested in the garden an hour ago. 14. they brought the disks last week. 15. he met her at the office yesterday. 16. she always writes essays well. 17. we often sing songs. 18. my dad always reads newspapers in the evening. 19. sometimes i play volleyball in the gym. 20. often we take books to libraries