99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<progress id="vsb2l"><menu id="vsb2l"><small id="vsb2l"></small></menu></progress>

<dd id="vsb2l"></dd>

填空題

P （）refers to the realization of langue in actual use.

答案： Parole

你可能感興趣的試題

Human capacity for language has a g（）basis, but the details of language have to be taught and learned.

答案： genetic

The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）

答案： syntax

<pre id="qc7zl"><strong id="qc7zl"></strong></pre>

<ins id="qc7zl"></ins>