问题
选择题
There are ______ students in our school.
A. three thousands of B. three thousand C. three thousands
答案
答案：B
thousand后加s表示概数，前面不加数词，当表示具体数目时，前面加数词不加s，故选B。
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There are ______ students in our school.
A. three thousands of B. three thousand C. three thousands
答案：B
thousand后加s表示概数，前面不加数词，当表示具体数目时，前面加数词不加s，故选B。