Haz dos traducciones para #b (con excepción de #1 en que sólo se usa 'se') con las dos formas de la voz pasiva.
1a. We are working on the proposal right now.
1b. The proposal is being worked on right now.
2a. Qatar will host the World Cup in 2022.
2b. The World Cup will be hosted by Qatar in 2022.
3a. We hope they will fix the road this next week.
3b. We hope the road will be fixed this next week.
4a. He made mistakes.
4b. Mistakes were made.
5a. The teacher has told them to arrive ten minutes early.
5b. They have been told by the teacher to arrive ten minutes early.