19. Global warming is responsible _____ for shrinking ice caps but also for a surge in extreme weather that is
causing heat waves, forest fires, and droughts.
(A) not only
(B) only not
(C) no longer
(D) not longer
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統計: A(1920), B(157), C(108), D(89), E(0) #2996046
統計: A(1920), B(157), C(108), D(89), E(0) #2996046