阿摩線上測驗
19. _____ the Amazon Rain Forest were to be wiped off the surface of the earth, forty percent of the
oxygen in the atmosphere would disappear.
(A) Due to
(B) It is
(C) If
(D) That
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統計： A(15), B(0), C(168), D(4), E(0) #3195801
統計： A(15), B(0), C(168), D(4), E(0) #3195801
