Составить вопросы, используя Passive Voice.
1. Ask about the telephone (who/invent?). Who was the telephone invented
by?
2. Ask about the computer (when/invented?)
3. Ask about silver (what/use for?)
4. Ask about America (who/discover?)
5. Ask about glass (how/make?)
6. Ask about radio (who/invented?)

2 When was the computer invented?

3 What was silver used for?

4 Who was America discovered by?

5 How was glass made?

6 Who was radio invented by?

2.When was the computer invented?

3.What was silver used for?

4.Who was America discovered by?

5.How was glass made?

6.Who was radio invented by?