根据所听对话内容回答每段对话后面的问题，在各题所给的三个选项中选出一个最佳答案,并将其字母编号填写在题前括号内。若用答题卡答题，则将答题卡上对应题目所选的选项涂黑。每段对话听两遍。
听第一段对话,回答第6小题。
( ) 6.What was David doing when the girl fell into the river?
A. He was fishing. B. He was walking by the river.
C. He was swimming in the river.
听第二段对话,回答第7小题。
( ) 7. What was Bob doing?
A. He was watching TV. B. He was trying to sleep.
C. He was playing music.
