If better use is your spare time，you’ll make good progress in doing your business.
A. spent
B. made of
C. used for
D. taken
网友回答
A. spent
(答案→)B. made of
C. used for
D. taken
解析： make use of…为固定短语。本题可以用还原法做题，即If you make better use of your spare time, ……. 。