19. Problems ______ from the decrease of rainforests include more pollutions, less oxygen, and
fewer species of animals.
(A)result
(B)resulting
(C)that resulting
(D)have resulted
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統計: A(99), B(337), C(76), D(154), E(0) #3076090
統計: A(99), B(337), C(76), D(154), E(0) #3076090