3 . 阅读下面材料,在空白处填入1个适当的单词或括号内单词的正确形式填空。
Justin Foster, 1 American high school student, went missing last Friday night. Police are puzzled about it and have stepped 2 their search for him. The incident 3 (receive)great interest so far due to reports of strange lights and alien visits. According to Kelly, 4 is Justin’s sister, a bright light appeared outside her window and a large spaceship was flying outside. She heard Justin 5 (shout) and then the UFO disappeared. She believes the aliens took him, 6 her parents said she was only dreaming. Some other people, like Mavis Wood, think Justin 7 (take)by the aliens. Because sometimes people make up such 8 (amaze)stories, the police think there is no hard 9 (evident)that aliens took Justin. Now the police 10 (look)into other possibilities.