听第一段对话，回答第6小题。
( )6 . When is the woman going to leave for Beijing ?
A. On Saturday. B. On Sunday. C. On Friday.
听第二段对话，回答第7小题。
( )7. Why is the woman worried?
A. She can't find her child. B. She lost her cell phone. C. She missed her bus.
听第三段对话，回答第8小题。
( )8. How much is John's watch?
A. Fifty yuan. B. Fifteen yuan. C. Thirty－five yuan.
