二、对话理解，请听对话，根据其内容选择最佳答案，每组对话读两次。（5分）
（ ）6．A、30 dollars B、15 dollars C、25 dollars
（ ）7．A、Chicken and tomatoes B、Hamburgers and salad
C、Chicken and salad
（ ）8．A、Black B、Brown C、Blue
（ ）9．A、No, she doesn’t B、Yes, she does C、Yes, she is
（ ）10．A、No, he doesn’t B、Yes, he does C、Yes, it is
