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题目内容
（信阳师范学院-英语词汇学）
Chiefly found in derived words, bound morphemes include _________.（ ）
A. bound roots
B.inflectional affixes
C.derivational affixes
D.all the above
A. bound roots
B.inflectional affixes
C.derivational affixes
D.all the above
参考答案