30. Each of us was given a(n) ______ and asked to complete a written story.
(A) fraction
(B) incentive
(C) contribution
(D) prompt
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統計: A(41), B(37), C(37), D(49), E(0) #3887987
統計: A(41), B(37), C(37), D(49), E(0) #3887987