11. No one has opened that box for the past hundred years. => That box____________________________________________________ 12: The fire has destroyed many houses. => Many houses ____________________________________________________ 13: The children are carrying the chairs into the house. => The chairs ____________________________________________________ 14.They awarded him the Nobel Prize for medicine in 1946. => He ____________________________________________________ 15. We saw him leave the office at 6 o’clock this morning. => He ____________________________________________________ 16: Why didn’t you report the accident sooner? => Why wasn’t____________________________________________________ 17.Somebody has taken some of my books away. =>some of my books 18. Mary is cutting a cake with a sharp knife. a cake 19. The children looked at the woman with a red hat. the woman 20. They have provided the victims with food and clothing. the victims