Put the verb into correct passive form. 1. these children (take) care of by an experienced nurse. 2. this difficult operation (do) only in this hospital. 3. when the radio (invent)? 4. i hope this book (translate) into russian soon. 5. now english (speak) all over the world. 6. all the questions (answer) at once. 7. tomorrow everything (prepare) for opening the conference. 8. tulips (grow) traditionally in holland. 9. the new film (discuss) all over russia soon. 10. you got that mark because your composition (write) badly. 11. usually (make) from milk in your country? 12. it was very dark in the room. nothing could (see). 13. now computers (use) in every family. 14. the park gates (paint) last summer. 15. the major part of the earth surface (cover) by water. 16. my camera (steal) from my hotel room. 17. a mystery is something that can’ (explain). 18. the tickets (sell) in the booking office every day. 19. two people (arrest) after the police investigation. 20. the house looks different. (paint) last month.

1. these children (are taken) care of by an experienced nurse.2. this difficult operation (is done) only in this hospital.3. when was the radio (invented)? 4. i hope this book will be (translated) into russian soon.5. now english is (spoken) all over the world.6. all the questions must be (answered) at once.7. tomorrow everything (will  be prepared) for opening the conference.8. tulips are  traditionally (grown) in holland.9. the new film (will be discussed) all over russia soon.10. you got that mark because your composition (had been written) badly.11. what is usually (made) from milk in your country? 12. it was very dark in the room. nothing could be (seen).13. now computers are (used) in every family.14. the park gates were (painted) last summer.15. the major part of the earth surface is (covered) by water.16. my camera was (stolen) from my hotel room.17. a mystery is something that can’t be (explained).18. the tickets are (sold) in the booking office every day.19. two people were (arrested) after the police investigation.20. the house looks different. it was (painted) last month.

Ba(2+)++2h(+)+so4(2-)=baso4+2h2o сокращенное и полное (в скобках заряды ионов)