听第二段对话,回答第7至9小题。
(
) 7. Why does the woman suggest that animal?
A. It is easy to look after.
B. Watching it swim around is enjoyable.
C. It can help the man look after his house.
(
) 8. What should the man prepare for the animal?
A. A cage.
B. A box.
C. A toy.
(
) 9. What does the man need to do every day?
A. Get some grass for it.
B. Change the clean water.
C. Give it food and water.