选择哪一个This is the most difficult

问题描述:

选择哪一个This is the most difficult
This is the most difficult way ____the teacher has shown us to work out the problem
A.in which B.by which C.which D./

C定语从句,which the teacher has shown us修饰way ,which在从句中作宾语show sb.sth.动词show接双宾to work out the problem 不定式作目的状语其实可以省略状语部份This is the most difficult way which the teach...