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高考◆英语◆河北省題庫下載題庫

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66.Why do hoatzins collect together in smaller groups when the rainy season comes?
(A)To find more food.
(B)To protect themselves better.
(C)To keep themselves warm.
(D)To produce their young.



66.Why do hoatzins collect together in s..-阿摩線上測驗