— How many students are there in your school?— students I think.A. Thousand ofB. Two thou

问题补充：

— How many students are there in your school?

— students, I think.

A. Thousand of

B. Two thousands

C. Two thousand

D. Two thousands of

答案：

A. Thousand of

B. Two thousands

(答案→)C. Two thousand

D. Two thousands of

解析：句意：--在你们学校有多少名学生？--我认为有二千名学生。具体的数字后单位不用加s,在表示数据不确定的时候才加s或联接of。比如在约有几千名学生：thousands of students,五百名学生：five hundred.故选C