试题题干
Fill in each of the following blanks with a word or an expression.
A deep structure is abstract and gives the 
of a sentence.
参考答案
试题解析
深层结构是抽象的，是解释句子意义的。
Fill in each of the following blanks with a word or an expression.
A deep structure is abstract and gives the of a sentence.
深层结构是抽象的，是解释句子意义的。