◎ 题干
Mother's Day is _____.  
[     ]
A. in the second Sunday in May
B. on the second Sunday in May
C. in the second Sunday in June
D. on the second Sunday in June
◎ 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“Mother's Day is _____.[ ]A. in the second Sunday in May B. on the second Sunday in May C. in the second Sunday in June D. on the second Sunday in June…”主要考查了你对  【介词短语】  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。