Question

This is he best way I could think of ________ the students ________ the rules．

1. A.
   to keep; breaking
2. B.
   keeping; breaking;
3. C.
   to keep; from breaking
4. D.
   keeping; from breaking

Answer 1

C
I could think of是定语从句修饰the way，后面的不定式结构与the way连接，the way to do：做某事的方法，第二个空的结构是：keep sb．from doing．：阻止某人做某事。