làm và giải thích giúp mình nhớ giải thích

giúp em với ạ EXERCISE Exercise 1: Change the following into passive voice. 1. Someone has taken away some of my books. __________________________________________________________________ 2. The children used to play football in the street. __________________________________________________________________ 3. Nobody invited her to the party. _________________________________________________________________ 4. He taught us to use the passive at school. __________________________________________________________________ 5. The boss has considered the workers’ demands. _________________________________________________________________ 6. The villagers gave us a warm welcome. _________________________________________________________________ 7. My mother prepares the meals every day. _________________________________________________________________ 8. They believe that John is the brightest student in the class. __________________________________________________________________ 9. We will send you the papers immediately. __________________________________________________________________ 10. The teacher usually corrects our papers at home. __________________________________________________________________ 11. My father is going to give me a new bicycle. __________________________________________________________________ 12. They spend a lot of money on advertising every year. __________________________________________________________________ 13. The old man told interesting stories to the children. __________________________________________________________________ 14. John used to pay a visit to his grandparents every week. _________________________________________________________________ 15. The boys are playing football in the yard. __________________________________________________________________ 16. People say that employment is the most important thing to the youth today __________________________________________________________________ 17. A policeman is showing her the way to the station. __________________________________________________________ 18. The fire has destroyed almost all houses in the neighborhood. __________________________________________________________________ 19. They considered that she was the best singer. __________________________________________________________________ 20. Don’t wipe your dirty fingers on the clean table cloth. _________________________________________________________________

Giúp mik vs ạ Cảm ơn nhiều :)))

Giúp mik gấp vs. Mik cảm ơn trc ạ

Bài 3. Viết lại câu dựa vào những từ cho sẵn, kết hợp thì quá khứ đơn và quá khứ hoàn thành 1. David had gone home before we arrived. After……………………………………………………………………………………. 2. We had lunch then we took a look around the shops. Before…………………………………………………………………………………… 3. The light had gone out before we got out of the office. When……………………………………………………………………………………. 4. After she had explained everything clearly, we started our work. By the time……………………………………………………………………………. 5. My father had watered all the plants in the garden by the time my mother came home. Before………………………………………………………………………………….

Giúp mik câu 3,4,5 hứa cho hay nhất nhanh mn

tính lượng muối và thể tích nước có trong 7kg nước biển, biết 100g nước biển có 2,5g muối

Nếu là con gái của ông giáo cảnh Lão Hạc Kể chuyện bán chó với ông giáo trong truyện ngắn Nam Cao thì em sẽ ghi lại câu chuyện đó như thế nào? Vui lòng không sao chép mạng giúp mik? Ai trả lời đúng ,nhanh nhất mik sẽ bình chọn là ctlhn

phân tích những thuận lợi và khó khăn của tài nguyên thiên nhiên để phát triển nông nghiệp nước ta'

dạ các anh chị tính hộ em: 1328 x 10^-28 = ? x 10^27 plsss