◎ 题干
— You ought to have learnt all these sentences by heart.  
— ____, but I forgot everything when I was asked to recite them in front of so many students.  
[     ]
A. So I ought to
B. So I did
C. So must I
D. So did I
◎ 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“— You ought to have learnt all these sentences by heart.— ____, but I forgot everything when I was asked to recite them in front of so many students. [ ]A. So…”主要考查了你对  【强调句】  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。