15 Some _____ of immigration argue that the freedom of movement both within and between countries is a
basic human right.
(A)provocations
(B)proponents
(C)prospectors
(D)prototypes
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統計: A(2), B(4), C(4), D(0), E(0) #2436448
統計: A(2), B(4), C(4), D(0), E(0) #2436448