问题补充:
—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
答案:
A. two thousands
B. two thousands of
C. 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。