Answer:
1. A lot of rubber is produced in Malaysia by them
2. A watch was given to him by his father
3. these tables of wood were made by us
4. The bomb was not found by them, and it k!lled many people
5. At 4pm yesterday the water was still being pumped out by them
6. Do you get picked up by your mom everyday?
7. Was the thief caught by the police officer last night?
8. Guemica was being painted by Picasso at that time
9. the letter was not written by Tom himself
10. Portuguese is spoken by people in Brazil