There are about people in this townA. five millionsB. million ofC. five millionD. five

问题补充：

There are about people in this town．

A. five millions

B. million of

C. five million

D. five millions of

答案：

A. five millions

B. million of

(答案→)C. five million

D. five millions of

解析：句意：这个城镇大约有五百万人口。Million百万，在具体的数字里如five million，不需要用复数形式；但在短语millions of数百万的，要用复数，故选C。