阿摩線上測驗
12. Lev Vygotsky referred to _______ the child could do in interaction with another as the child’s zone of proximal development.
(A) how
(B) that
(C) what
(D) which
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統計： A(52), B(44), C(156), D(9), E(0) #3245027
統計： A(52), B(44), C(156), D(9), E(0) #3245027
