问题
选择题
As soon as they arrived in the big city ,they found it difficult to find somewhere cheap__________
A．to live
B．to live in
C．to live on
D．living
答案
答案：A
题目分析：句意：他们一到这个大城市，就发现找到便宜的地方住很难。to do 做后置定语，修饰前面的somewhere cheap，somewhere是副词，故不用介词，故选A.