題組B       Both great white sharks and tigers   (39)   to be dangerous animals, but they are also two of the most endangered species. Because some people like to have shark fin soup, so   (40)   great white sharks are killed each year.   (41)  tigers, they are killed cause some people think their bones can cure some diseases. However, no scientific proof shows their bones can cure anything.        It’s shocking to know there are fewer and fewer of them left in the world. If we can stop buying, there will be less killing. We hope these two animals can   (42)   and live in the wild forever. ＊endangered species 瀕臨絕種的物種   fin 鰭   cause 起因   cure 治療     disease 疾病   proof 證明   wild 野外

【題組】39.
(A)believe
(B)are believed
(C)have believed
(D)were being believed