阿摩線上測驗
4. To _____ the spread of the avian flu, the government implemented strict quarantine measures at all borders.
(A) bolster
(B) foster
(C) catalyze
(D) curtail
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統計： A(0), B(1), C(0), D(11), E(0) #3861071
統計： A(0), B(1), C(0), D(11), E(0) #3861071
