【題目】We must save the elephants because they are ________．

A．dangerous

B．danger

C．in dangerous

D．in danger

【答案】D

【解析】句意：我們必須拯救大象因?yàn)樗鼈冋幱谖ｋU(xiǎn)之中。in danger意為“處于危險(xiǎn)中”，故選項(xiàng)D符合題意。

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