Напишите данные предложения в страдательном залоге:
1. anna prepared everything for her work beforehand.
2. the mother was washing the dishes at half past eight.
3. fifteen minutes later the office girl opened the main door.
4. anna was asking the first customer about the papers.
1 Everything was prepared for her work by Anna beforehand
2 The dishes were being washed by the mother at half past eight.
3 The main door was opened fifteen minutes later by the office girl.
4 The first customer was being asked about the papers by Anna.