第二节：听长对话，回答问题, 对话读两遍.
听下面一段较长的对话，回答第6至7两小题。
（ ）6. How long haven’t they seen each other ?
A. For five years B. For two years C. Since three years ago.
（ ）7. What did Tina use to look like?
A. She used to have long curly hair.
B. She used to have short curly hair.
C. She used to have long straight hair.
