问题
选择题
___________ students in China are learning English at school.
A. Many thousand B. Thousand of C. Thousands of
答案
答案：C
题目分析：句意：成千上万的中国学生在学校学英语。短语thousands of 成千上万的，注意thousand 要用复数形式；但在具体的数字中thousand不用复数形式，例如three thousand 三千；结合语境故选C。