阿摩線上測驗
7. Eight million tons of plastic ends up in the oceans every year, _____ damage to this fragile ecosystem.
(A) cause
(B) causing
(C) caused
(D) had caused
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統計： A(12), B(100), C(24), D(17), E(0) #1784584
統計： A(12), B(100), C(24), D(17), E(0) #1784584
