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14. Mayan buildings are magnificent. The Mayans must ______ an advanced civilization.
(A) have had
(B) had had
(C) have
(D) had

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1F
christdoubtfi 國二下 (2015/05/29)
前面動詞are為現在式，後面應接 現在完成式have had ，強調"有過"


14. Mayan buildings are magnificent. The..-阿摩線上測驗