◎ 题干
He feels happy that he can earn      he did ten years ago.  
A.twice that     
B.twice what   
C.twice than what  
D.twice than that
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He feels happy that he can earnhe did ten years ago.A twice that B. twice what C. twice than what D. twice than that…”主要考查了你对  【序数词】【小数】【分数】【量词】  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。