阿摩線上測驗
9. Technology is a powerful tool that can help _ lives, economies, and societies.
(A) train
(B) transfer
(C) transit
(D) transform
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統計： A(0), B(0), C(0), D(1), E(0) #3373185
統計： A(0), B(0), C(0), D(1), E(0) #3373185
