Complete the following statements with proper words or expressions according to the course book.Grammarians insist that a word be a ( )form that can function in a sentence.
Complete the following statements with proper words or expressions according to the course book.Grammarians insist that a word be a ( )form that can function in a sentence. 【正确答案】：FREE 【题目解析】：语法学家坚持认为单词是一个可以在句子中起作用的自由形式。
