题目内容
Morphology is the study of the ____structure of words and the ____by which words are formed.
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Conjunctions, prepositions, articles and pronouns consist of relatively few words and have been referred to as____-class words since new words are not usually added to them.
Acronyms are words derived from the____ of several words.
In terms of word formation, the words"edit","televise" etc. can be categorized as cases of____.
Free ____ is an element of meaning which takes the form of an independent word. They may occur alone, that is, they make up words by themselves.
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