◎ 题干
I didn't understand ______, so I raised my hand to ask for help.            
[     ]
A. what my teacher says
B. what does my teacher say
C. what my teacher said
D. what did my teacher say
◎ 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“I didn't understand ______,so I raised my hand to ask for help.[ ]A. what my teacher saysB. what does my teacher sayC. what my teacher saidD. what did my t…”主要考查了你对  【宾语从句】  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。