Time should be made use meaningful things.A. of to doB. of doingC. to doD. doing

问题补充：

Time should be made use meaningful things.

A. of to do

B. of doing

C. to do

D. doing

答案：

(答案→)A. of to do

B. of doing

C. to do

D. doing

解析：考查词组和不定式：句意：时间应当被好好利用来学习有意义的东西。短语 make good use of sth to do充分利用某事去做...这个短语的被动语态是：sth be made good use of，后面的不定式to do表目的状语，选A。