阿摩線上測驗
31. One of the easiest places for Ebola to spread is
(A) out in the countryside.
(B) near a river.
(C) in a hospital
(D) in a factory.
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統計： A(31), B(32), C(245), D(2), E(0) #841519
統計： A(31), B(32), C(245), D(2), E(0) #841519
