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威廉姆斯先生：是的，请打开你们的书。
Mr. Williams: Yes, please open your books.
youdao
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请打开你们的书，翻到第56页。
Please open your books, and turn to page 56.
youdao
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早上好，同学们。请打开你们的书。
Good morning, class. Open your books, please.
youdao
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早上好，同学们。请打开你们的书。
Good morning, class. Open your books, please.
youdao