阿摩線上測驗
7. Scientific studies have even shown that learning a new language helps to keep memories sharp and naturally
________overall brain function.
(A) to improve
(B) stimulated
(C) enhances
(D) strengthening
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統計： A(102), B(18), C(108), D(13), E(0) #902834
統計： A(102), B(18), C(108), D(13), E(0) #902834
