问题补充:
Their school has more than two teachers and students.
A. hundreds of, thousands of
B. hundred, thousands of
C. hundred of, thousand
D. hundreds, thousands of
答案:
A. hundreds of, thousands of
(答案→)B. hundred, thousands of
C. hundred of, thousand
D. hundreds, thousands of
解析:句意:他们的学校有两百多名老师和数千名学生。数词表示确定所指时数量单位不加s,不加of,表示不确定所指时加s,加of,故选B