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Which lesson is the most difficult in Book Two?
第二册课本里哪课最难?。
youdao
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Which lesson is the most difficult in this book?
这本书里哪一课最难？
youdao
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The last and most difficult lesson is lesson 14.
最后一课即最难的一课是第十四课。
youdao
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The last and most difficult lesson is lesson 14.
最后一课即最难的一课是第十四课。
youdao