阿摩線上測驗
20. The predominant activities in rural societies are those that involve the production of food and raw materials.
(A) principal
(B) predicable
(C) necessary
(D) routine
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統計： A(11), B(12), C(10), D(8), E(0) #1098229
統計： A(11), B(12), C(10), D(8), E(0) #1098229