阿摩線上測驗
48 According to a new study, the continuing ____ of immigrants to American shores is encouraging business
activity and producing more jobs with the supply of abundant labors.
(A)threat
(B)arrival
(C)removal
(D)selection
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統計： A(4), B(30), C(5), D(6), E(0) #742979
統計： A(4), B(30), C(5), D(6), E(0) #742979