Which of the following is not a design feature of language

单项选择题______ is not one of William Shakespeare's four greatest tragedies.

单项选择题______ is the most important of all American crops.

单项选择题The Virgin Islands are located ______.

单项选择题In our daily life we often hear such expressions as Wonderful weather we Pre having or Good morning. Which function of language do those expressions manifest

单项选择题In the mass extinction 65 million years ago, ______ of all species on earth vanished.