第12题: [单项选择]Customer: How much are the eggs Saleswoman: ______ A. They are free-range. B. We have some free-range eggs. C. The free-range eggs cost more than regular ones. D. The free-range ones are $ 3.95 a dozen. 参考答案:D 答案解析:[解析] 判定对话发生在市场。A项和B项都与问题不相关;C项回答不全面。
A. They are a type of insect. B. They are a kind of fish. C. They are a type of bird. D. They are a type of pi 参考答案:C 答案解析:[解题思路] 细节题。关于swallows。 [详细解答] They always return on the same day on March 19th,and fly away on th