问题
选择题
Secondary and higher education _____ available to all high school graduates in this country so far.
A．have made
B．were made themselves
C．have been made
D．were made it
答案
答案：C
将被动语态还原成主动语态就不难看出此题测试的是make sth. adj.结构，表示"使成为……"。