複選題
2. The best way to learn a language is ______ a little every day.
(A) speaking
(B) in speaking
(C) to speaking
(D) by speaking
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統計: A(561), B(64), C(143), D(395), E(0) #3101623
統計: A(561), B(64), C(143), D(395), E(0) #3101623