Complete the following statements with proper words or expressions according to the course book.The forms that are attached to words or word elements to modify meaning or function are ( ). 
Complete the following statements with proper words or expressions according to the course book.The forms that are attached to words or word elements to modify meaning or function are ( ). 
【正确答案】:AFFIXES
【题目解析】:附加在词或词素上以改变其意义或功能的形式是词缀。
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