听下面一段对话，回答13至15三个小题。
()13. What did Peter buy?
A. Bread and eggs.
B. Apples and salad.
C. Bread and apples.
()14. Where does the conversation probably take place?
A. In a supermarket.
B. At home.
C. In a fruit shop.
()15. What advice does the girl give Peter?
A. Go shopping with his mum next time.
B. Write a list or take a photo of it.
C. Buy as many things as he can.

13.A 14.B 15.B

听下面一段对话，回答16至18三个小题。
()16. What was the girl?
A. A runner. B. A teacher. C. A volunteer.
()17. What did the runners think of Wuhan?
A. Clean and quiet.
B. Beautiful and clean.
C. Modern and warm.
()18. Why will the boy exercise every day?
A. To keep healthy.
B. To join the marathon.
C. To be a volunteer.

16.C 17.B 18.A

听下面一段对话,回答19至21三个小题。
()19. What can squirrels remember?
A. The ways to their home.
B. The places of their food.
C. The location of their group.
()20. Which animal can know others' sounds?
A. Wild geese.
B. Squirrels.
C. Dolphins.
()21. What's the main topic of the conversation?
A. The wisdom of animals.
B. The communication of animals.
C. The memories of animals.

19.B 20.C 21.C