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1. 到去年年底，我们已学会了两千多个英语单词和词组。

   dào qù​nián nián​dǐ, wǒ​men yǐ xué huì le liǎng qiān duō​ge yīng​yǔ dān​cí hé cí​zǔ.

   By the end of last year, we had learned over 2,000 English words and phrases.

   Source: UM-Corpus: Education