________ anywhere in the United States costs less than a dollar when you dial it yourself．

1. A.
   Three minutes call
2. B.
   Three-minute call
3. C.
   A three-minutes call
4. D.
   A three-minute call

Mrs Zhang had a trip to Hainan to visit her friend last month. After eating their favourite 1.?????? , her friend saw her off at the 2.???? .At 6:30, they heard the announcement（通知，广播）: Passengers for Flight CZ6338 to Nanjin, please go to Gate 10. Mrs Zhang was so busy boarding that she didn’t? 3.???????? one of her bags was empty. 4.??????? was her ipad. She couldn’t find it? 5.???? . When she was looking for it, her friend shouted at her, "Oh, my dear. Here’s your camera."