阿摩線上測驗
7 Smuggled migrants often face dangerous conditions and become_________ to trafficking and other abuses
at the hands of smugglers.
(A) variable
(B) versatile
(C) vulnerable
(D) venerable
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統計： A(0), B(0), C(5), D(0), E(0) #3144188
統計： A(0), B(0), C(5), D(0), E(0) #3144188
