​Đổi sang câu bị động: She cleaned her house yesterday. They make bread from flour

​Đổi sang câu bị động:
1, She cleaned her house yesterday.
2, They make bread from flour.
3, He will cut the grass in the garden.
4, Will your mother buy you a new bike?
5, Miss Hien gave us a difficulf test yesterday.
6, They have finished their work.
7, The fire destoyed the house completely.
8, They grow coffee in Vietnam.
9, Miss Ha will not punish her students.
10, Has he sent the letter yet?