Answer:
10.The fields plow by their carabaos.
1.During the ancient civilization, Egyptians built the pyramids.
2.The servant prepared a cup of coffee.
3.The cerks for hearing have been prepared the documents.
4.The boss gave the gift to his employees.
5.The secretary accepted our papers.
6.The househelper cleaned their rooms.
7.Tomorrow,the workers will transfer her collections.