change the Active into Passive.
1.They showed me a rare plant. 2.Columbus discovered America. 3.The men told me a curious story about the dodo. 4.The Zoo keepers take care of the animals. 5.They killed the bird.

1. A rare plant was shown to me by them. 2. America was discovered by Columbus. 3. A curious story about the dodo was told me by the man.4. The animals are taken care by the Zoo keepers. 5. The bird was killed by them.