阿摩線上測驗
40. Examine the following stages, through which John acquires irregular past tense forms. At what stages does John’s grammar undergo restructuring?
(A) Stages 1 & 2
(B) Stages 2 & 3
(C) Stages 3 & 4
(D) Stages 4 & 5
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統計： A(21), B(45), C(132), D(31), E(0) #2872425
統計： A(21), B(45), C(132), D(31), E(0) #2872425
