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题目内容
（信阳师范学院英语汉语学）
5
[填空题,16.6分] __________ is extremely productive, because English had lost most of its inflectional endings by the end of Middle English period, which facilitated the use of words interchangeably as verbs or nouns, verbs or adjectives, and vice versa.
[填空题,16.6分] __________ is extremely productive, because English had lost most of its inflectional endings by the end of Middle English period, which facilitated the use of words interchangeably as verbs or nouns, verbs or adjectives, and vice versa.
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