把下列句子变成被动语态

把下列句子变成被动语态 1.We found some jewels in a box. _____________________________________________________________ 2. The teacher is keeping the pupils at school for a revision. _____________________________________________________________ 3. James has left a parcel for you. ______________________________________________________________ 4. You must finish the article before Friday. ______________________________________________________________ 5. They will not paint the house again next year. ______________________________________________________________ 6. They promised Mary a new doll for her birthday. ______________________________________________________________ 7. I have told the children many times not to skate on the pond. ______________________________________________________________ 8. Where did he translate the story? ______________________________________________________________ 9. We had to repair our TV set. _______________________________________________________________ 10. Do they take good care of the sick? _______________________________________________________________ 11. They company has paid the workers very handsome wages. ________________________________________________________________ 12. They showed me the room where they lived. ________________________________________________________________ 13. They make machines in that factory. _________________________________________________________ 14. Every body likes this song. _________________________________________________________ 15. He doesn't show the stamps to me. _________________________________________________________ 16. People don't grow rice in the west of Japan. _________________________________________________________ 17. He often helps Tom when Tom is in trouble. ________________________________________________...