阿摩線上測驗
16 What is the best title for this passage?
(A) Diverse Backgrounds of Immigrants.
(B) Key Findings about US Immigrants.
(C) Reasons for Becoming Immigrants.
(D) Rights and Obligations of Immigrants.
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統計： A(2), B(1), C(1), D(0), E(0) #3255777
統計： A(2), B(1), C(1), D(0), E(0) #3255777
