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题目内容
（信阳师范大学英语语言学）
Phrase structure rules allow us to better understand _____.
A.How words and phrases form sentences
B.What constitutes the grammaticality of strings of words
C.How people produce and recognize possible sentences
A.How words and phrases form sentences
B.What constitutes the grammaticality of strings of words
C.How people produce and recognize possible sentences
参考答案