問題詳情

7 In a new study, scientists have pinpointed that mastering a second language is rather challenging and thatchances of reaching fluency after a certain age in a second language seem to                 .
(A) procure
(B) protract
(C) liquidate
(D) plummet

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增