In a new study, scientists have pinpointed that mastering a second language is rather challenging and that chances of reaching fluency after a certain age in a second language seem to ___.
Aprocure
Bprotract
Cliquidate
Dplummet正確答案
答案與詳解
plummet 意為『驟降、暴跌』,常與 prices、chances、numbers 搭配。句意指過某年齡後流利的機會『大幅下降』,最符合語境。
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