In terms of the meaning expressed by words, they can be classified into _____.
A. grammatical words and lexical words
B. content words and lexical words
C. grammatical words and function words
D. pro-forms and auxiliaries
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________other than compounds may be divided into roots and affixes.
A. polymorphemic words
B. bound morpemes
C. free morphemes
D. monomorphemic words
There are ____morphemes in the word "denationalization".
A. 3
B. 4
C. 5
D. 6
Conversition from noun to verb is the most productive process of a word.
A. 对
B. 错
Back-formation is a productive way of word-formations.
A. 对
B. 错
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