◎ 题干
I have been seeking what I want all these years, but ______ I  have achieved nothing.

A. until then  
B. up to now
C. from now on  
D. right now
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I have been seeking what I want all these years,but________I have achieved nothing.[ ]A. until thenB. up to nowC. from now onD. right now…”主要考查了你对  【时间副词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。