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) Spring B) Summer
C) Autumn D) Winter
8. A)Every day B) Twice a day.
C) Once a week D) Twice a week
9. A) On the first floor B) On the second floor
C) On the third floor D) On the fourth floor
10. A) 100 yuan B) 200 yuan
C) 180 yuan D)280 yuan
