16-year-old students in England should understand fifteen words.
A. thousand
B. thousands
C. thousand of
D. thousands of
网友回答
(答案→)A. thousand
B. thousands
C. thousand of
D. thousands of
解析:英语中数词表示概数时,后面加s,和介词of搭配使用。用原形时表示具体数字和数词搭配使用。句意:英国16岁的学生需要理解一万五千个单词。结合语境可知本句描述具体数字,故选A。