<文意選填>第21至30題為題組 If something dangerous needed to be done for a scene， the producers would hire anyone crazy or desperate enough to do it. These people were not trained to perform stunts， so they often ___24___ things for the first time during the actual shooting. (A) possible (B) sensation (C) risky (D) cost (E) witnessed (F) professional (G) called for (H) tried out (I) necessity (J) career
