无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<dl id="a5sok"></dl>

<sup id="a5sok"><legend id="a5sok"><s id="a5sok"></s></legend></sup>

判斷題

Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.（）

答案：正確

你可能感興趣的試題

Vowels are formed mainly by the position of the tongue and, secondarily, by the shape of the lips and movement of the jaw.（）

答案：正確

The vowel is produced without (or with little) restriction during its production and is always voiced.（）

答案：正確