The harder you ________, the greater progress you ________.

The harder you ________, the greater progress you ________.

A.will study; will make

B.study; will make

C.study; make

D.will study; make

答案及解析： B

解析：

The harder you study相当于条件状语从句，用现在时态代替将来时态，the greater progress you will make是主句，应用将来时态。