1. Radio was invented in Russia by Popov.
2. Every 4 years a new president is selected by people in the USA.
3. The work can be done by you in three days.
4. Honey is gathered by bees from flowers.
5. My letter will be left by the postman by the door.
6. A delicious pie was made by my mum for dinner last Sunday.
7. This film will be showed on TV by them.
8. Milk was sold in this shop by them.
9. The window was broken by Nick last week.
10. I will be introduced by him to his friends.
11. A bank robber was caught by the police last night.
12. This work must be done by you very carefully.
Объяснение:
https://greenforest.com.ua/journal/read/the-passive
If the weather doesn’t change, we won’t go out of town. 2. I wonder if I will recognize him when I see him. 3. If I don’t be busy on Friday night, let's go to the exhibition, okay? 4. I would like to know if he has already freed. 5. We will not stay in the city on Saturday and Sunday if the weather is nice. 6. I can’t tell you whether it will (will) come on time or not. 7. If he returns to ten, ask him to call me. 8. If I don’t have time to talk to him tonight, I should definitely do it tomorrow morning.
Объяснение: