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题目内容
（信阳师范学院-英语词汇学）
Affixes attached to other morphemes to create new words are known as _________.（ ）
A. inflectional affixes
B.derivational affixes
C.bound roots
D.free morphemes
A. inflectional affixes
B.derivational affixes
C.bound roots
D.free morphemes
参考答案