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题目内容
（信阳师范学院-英语语言学）
__________ is a way in which new words may be formed from already existing words by subtracting an affix which is thought to be part of the old word.
A.affixationn
B.back-formation
C.insertionn
D.addition
A.affixationn
B.back-formation
C.insertionn
D.addition
参考答案