Ⅲ. Vocabulary
(D)irections: (B)eneath each of the following sentences there and four choices marked (A), (B), (C) and (D). (C)hoose the one answer that best completes the sentence. 【題組】47. (A)fter the trainer was sure that the whale could look after itself, he ________it into the sea.
(A). transported (B). unloaded (C). released (D). handled