◎ 题干
________they visited the Science Museum,they showed great interest in everything they saw.
[     ]
A.The first time  
B.For the first time
C.At first  
D.At the first time
◎ 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“________they visited the Science Museum,they showed great interest in everything they saw.[ ]A.The first timeB.For the first timeC.At firstD.At the first time…”主要考查了你对  【从属连词】  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。