阿摩線上測驗
4. Whether there is a monster-like creature under the water of Loch Ness in Scotland has long been a ______.
(A) danger
(B) luxury
(C) blessing
(D) mystery
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統計： A(24), B(9), C(9), D(294), E(0) #2030877
統計： A(24), B(9), C(9), D(294), E(0) #2030877
