把下列句子变成被动语态,

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.
把下列句子变成主动语态
1.Spanish is spoken in South America.
2.The plans will have to be revised.
3.All the words must be looked up in a dictionary.
4.Has John been cured of his heart illness?
5.The door should not have been left open all night.
6.We are afraid that we may be attacked at night.
7.We are being taught how to operate the new machine.