穿戴大腿假肢后出现外展步态，可能原因为（）。 A.长度过短 B.长度过长 C.外旋过

Directions:  Complete the passage below with the correct forms of the given words and phrases in the column (two are extra).

convince, disappear, due to, result in, dismiss, make up, assume , go missing, creatures , come across

  Police in America have stepped up their search for Justin, a fifteen-year-old boy who 小题1:._________two days ago in Dover. People have shown great interest in this event 小题2:.________sightings of puzzling lights in the key and reports of alien visits around the time of his 小题3:.__________.
His sister Kelly recalled that standing inside were lots of strange 小题4:.___________with white skin and large black eyes. She was frightened. But his mother 小题5:._________ Kelly was having a dream and sent her to bed.
Police have 小题6:._________the possibility that Justin was taken by aliens, but are also looking into other possibilities. Detective Sam Peterson, who has taken charge of the case, thought that people sometimes 小题7:.__________amazing stories, and there might be other possibilities such as murder. There is really no hard evidence that aliens took him away. They wouldn’t give up until they found 小题8:.____________ evidence.