I think whoever makescontributions to the company than the others should getincome.A. gre

问题补充：

I think whoever makescontributions to the company than the others should getincome.

A. greater; a highest

B. more greater; a higher

C. greater; the highest

D. more greater; the higher

答案：

A. greater; a highest

B. more greater; a higher

(答案→)C. greater; the highest

D. more greater; the higher

解析：more 不可修饰比较级，排除B和D。greater … than the others 是最高级意义，后面也用最高级，且最高前要用定冠词the。