B.Listen to the dialogue and choose the best answer to the question you hear. (根据你听到的对话和问题，选出最恰当的答案)：(8分)
7. A) Canada. B) Australia. C) England. D) China.
8. A) By bike. B) By underground. C) By bus. D) By car.
9. A) The yellow one. B) The blue one. C) The brown one. D) The red one.
10. A) Because she had a long walk. B) Because she was ill.
C) Because she slept too late. D) Because she worked a lot.
11. A) Two days. B) Three days. C) Five days. D) Ten days.
12. A) In a supermarket. B) At school. C) In a restaurant. D) At home.
