阿摩線上測驗
27. Learning foreign languages and their corresponding cultures is of great importance to the _____ of communication.
(A) potential
(B) provocation
(C) interchange
(D) facilitation
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統計： A(29), B(45), C(118), D(259), E(0) #841826
統計： A(29), B(45), C(118), D(259), E(0) #841826
