6. This bomb attack will___________the already tense relations between the two neighboring countries.
(A) delineate
(B) exacerbate
(C) contaminate
(D) interrogate
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統計: A(9), B(62), C(7), D(21), E(0) #2450811
統計: A(9), B(62), C(7), D(21), E(0) #2450811