The two top students in Mr. Green’s class competed each other for the highest marks.A. to

问题补充：

The two top students in Mr. Green’s class competed each other for the highest marks.

A. to

B. for

C. in

D. against

答案：

A. to

B. for

C. in

(答案→)D. against

解析：考查compete与介词的搭配。固定词组：compete against/with sb for sth为了得到某物与某人进行竞争。句意：Mr Green班级中的两个学生为了得到更高的分数相互竞争。故D正确。