9. North Korea has offered diplomatic openings to the United States several times over the past decades, only to return to _____ threats now.
(A) bellicose
(B) fledgling
(C) tubular
(D) forlorn
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統計: A(57), B(18), C(14), D(8), E(0) #1906252
統計: A(57), B(18), C(14), D(8), E(0) #1906252