B. 听对话（共10小题，每小题1分，共10分）
根据所听对话的内容和所提的问题，在各小题所给的三个选项中选出一个最佳选项，并将答案写在题前的括号内。每段对话听两遍。
听第一段对话，回答第6小题。
( )6.Why was Jack so tired?
A.Because he went swimming.
B.Because he went shopping.
C.Because he went hiking.
听第二段对话，回答第7~8小题。
( )7.What color is the man’s coat?
A.Blue. B.Black. C.Yellow.
