问题补充：
The harder you , the greater progress you .
A. will study; will make
B. will study; make
C. study; make
D. study; will make
答案：
A. will study; will make
B. will study; make
C. study; make
(答案→)D. study; will make
解析：考查时态。让步状语从句，主句用将来时态，从句用一般现在时代替将来时，故选D。
