听下面一段材料,回答第1至3题。 1. How long will the man probably stay in New Zealand? A. One week. B. Two weeks. C. Three weeks. 2. What advice does the woman give to the man? A. Go to New Zealand after Christmas. B. Book his flight as soon as possible. C. Save more money for his trip. 3. What can we learn about flights to New Zealand at Christmas time? A. They require early booking. B. They can be twice as expensive. C. They are on special offer.