阿摩線上測驗
9. Nowadays, earthquakes are still not _________. Scientists cannot tell in advance when an earthquake will occur.
(A) potential
(B) proper
(C) promising
(D) predictable
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統計： A(0), B(1), C(1), D(22), E(0) #3173489
統計： A(0), B(1), C(1), D(22), E(0) #3173489
