问题补充：
people in the world enjoy football.
A. Several million
B. Many millions
C. Several millions
D. Many million
答案：
(答案→)A. Several million
B. Many millions
C. Several millions
D. Many million
解析：本题考查million表示确切数量的用法。million前需用数表确切数量，而不用many这类词，但可说many millions of（上百万的），故本题中用several million。
