阿摩線上測驗
57 A recent survey shows that the average American generates ___ much trash as the average European.
(A)twice
(B)twice as
(C)as twice
(D)twice more
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統計： A(2), B(36), C(20), D(3), E(0) #867386
統計： A(2), B(36), C(20), D(3), E(0) #867386
