用括号中所给的动词的现在进行时完成句子，必要时变化词型。
Complete these sentences with the present continuous form of the verbs given in the brackets, changing the word form where necessary.
卡片收集后按字母顺序排列，分类工作完成时，每个词都要有两三个到几百个句子，一 句一张卡，句句说明该词的意思及用法。
When the sorting is completed, there will be for each word anywhere from two or three to several hundred sentences, each on its card, which illustrate the meaning and use of the word.
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