—Bruce,how many students are there in your school?—Mmm, about.A. two thousandsB. two thous

—Bruce,how many students are there in your school?
—Mmm, about .
A. two thousands
B. two thousands of
C. two thousand of
D. two thousand

A. two thousandsB. two thousands ofC. two thousand of(答案→)D. two thousand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。布鲁斯，你的学校有多少学生？—嗯，大约两千。结合语境可知下文表示具体数字，故选D。

谢谢了