阿摩線上測驗
19. If the world's rain forests continue to disappear at their present rate, many species________ extinct.
(A) were to become
(B) will become
(C) would become
(D) would have become
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統計： A(33), B(293), C(104), D(60), E(0) #2309585
統計： A(33), B(293), C(104), D(60), E(0) #2309585