Write active or passive to describe each sentence. Then rewrite
the sentences, making each active verb passive and each pas-
sive verb active. You may need to add a subject.
Example: Kangaroos can be found in Australia.
passive People can find kangaroos in Australia.
16. This unusual animal was named by Captain James Cook, the
famous English explorer of the eighteenth century.
17. Captain Cook had asked the Australians for the animal's name.
18. They told him kangaroo, the native word for "I don't know."
19. The animal was called a kangaroo from that day onward.
20. The kangaroo, however, had been introduced to the western
world by a Dutch sea captain in 1629.
21. A storm had wrecked his boat on the coast of Australia.
22. On his return home, he told everyone about this odd creature.