阿摩線上測驗
13. Educators have revived the concern that _______ too much freedom without correction and instruction will lead to early fossilization of errors.
(A) allowing learners
(B) allows learners
(C) allows learners to have
(D) learners have
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統計： A(104), B(9), C(30), D(23), E(0) #3245028
統計： A(104), B(9), C(30), D(23), E(0) #3245028
