二、听对话，选择正确的答案。（共3小题，每小题2分）
5. What happened to the boy on his way back home?
A. His key was lost. B. His mother arrived at home. C. His bike broke.
6. When did the boy start to do his homework?
A.8:30. B. 9:30. C.10.30.
7. What are they talking about?
A. The boy’s and his broken bike.
B. The boy’s terrible day.
C. The boy’s forgetful father.
