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theyvisitedthegreatwallyesterday.改成一般疑问句,并作肯定和否定回答.theyvisitedthegreatwallyesterday.改成一般疑问句,并作肯定和否定回答.

题目详情
they visited the great wall yesterday.改成一般疑问句,并作肯定和否定回答.
they visited the great wall yesterday.改成一般疑问句,并作肯定和否定回答.
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答案和解析
一般疑问句;Did they visit the great wall yesterday?
肯定:Yes,they did
否定:No,they didn't
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