问题详情：
A fifteenyearold boy named Justin Foster in Dover, New Hampshire went ____61____ (miss) two days ago. _____62___ was not until the lunchtime the next day that he was found missing. His mother became ____63____(worry) and asked her husband to call the police. People offered various explanations for his ____64____ (disappear). Kelly, his sister said that Justin returned home the night before and even ____65____(hear) him put on his favourite CD, and just then she happened to see ____66____ large spaceship flying outside the window, so she thought Justin must have been taken ___67_____ by some aliens. Some people also say that they themselves experienced this kind of thing. But detective Sam Peterson, who took charge ____68____ the case, said that there ____69____(be) really no hard evidence that aliens took him and that they wouldn't give up ____70____ they found out what had happened.
【回答】
一． 61. missing 62. It 63. worried 64. disappearance 65. heard 66. a 67. away 68. of 69. was 70. until
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