阿摩線上測驗
20 Travelers who bring food and other organic material back to their countries can often _____ carry
pests and other risks.
(A) unintentionally
(B) disrespectfully
(C) institutionally
(D) sympathetically
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統計： A(24), B(6), C(11), D(2), E(0) #3412829
統計： A(24), B(6), C(11), D(2), E(0) #3412829
