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(1), B(2), C(1), D(1), E(0) #3144248
統計： A(1), B(2), C(1), D(1), E(0) #3144248
