将下列句子改为被动语态1 We should allow students to have part time jobs

1.Students should be allowed to have part time jobs.
2.This kind of machine can be made by uncle Wang.
3.He doesn't allowed to get his ears pierced by his mother.
4.Peter were not allowedto take the test by his teacher.
5.Rice are grownd in the south by people.

1 We should allow students to have part time jobs.
-> Students should be allowed to have part time jobs.
2 Uncle Wng can make this kind of machine.
-> This kind of machine can be made by...