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题目内容
（信阳师范学院-英语语言学）
Lexeme is not
A.a physically definable unit
B.the common factor underlying a set of forms
C.a grammatical uni
D.an indefinable unit
A.a physically definable unit
B.the common factor underlying a set of forms
C.a grammatical uni
D.an indefinable unit
参考答案
