◎ 题干
Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first _____.
A.attention
B.purpose
C.attempt
D.desire
 
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first _____.A.attentionB.purposeC.attemptD.desire…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  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。