of people will visit Beihai .A. ThousandB. ThousandsC. Thousands ofD. Thousand of

问题补充：

of people will visit Beihai .

A. Thousand

B. Thousands

C. Thousands of

D. Thousand of

答案：

A. Thousand

(答案→)B. Thousands

C. Thousands of

D. Thousand of

解析：考查短语：Thousands of 成千上万的，题中已经有了介词of，所以选B，句意：成千上万的将去参观北海。