Units 10-12: Exercise 5

Write past simple passive questions.

1. cars / invent / in Germany?
   Were cars invented in Germany?
2. who / America / discover / by?
   Who was America discovered by?
3. what / boats / make / with?
   What were boats made with?
4. where / the first aeroplanes / fly?
   Where were the first aeroplanes flown?
5. how / the pyramids / build?
   How were the pyramids built?