阿摩線上測驗
3. _____ diamonds are much cheaper than the real ones because they are man-made.
(A) Artificial
(B) Enormous
(C) Intensive
(D) Organic
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統計： A(175), B(9), C(8), D(23), E(0) #2877454
統計： A(175), B(9), C(8), D(23), E(0) #2877454
