◎ 题干
With all his attention ________ on his experiment, he has no time to spend with his family.
[     ]
A.paid  
B.focused
C.attracted  
D.settled
◎ 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“With all his attention ________ on his experiment, he has no time to spend with his family.[ ]A.paidB.focusedC.attractedD.settled…”主要考查了你对  【动词】  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。