Answer:
1. Some exercises were done by Tom everyday.
2. Good cakes are made by my aunt.
3. The pigs are fed by Bill every morning.
4. The fishing village was destroyed by a silent storm.
5.
6. The party last night had a lot of invitees.
7. America was discovered by Christopher in 1492. (debatable)
8. 2 centuries ago, Tan Ki house was built by them.
Explanation:
Make the second noun the subject
