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为什么答案选A?不选B?

问题描述:

As soon as they arrived in the big city,they fou
nd it difficult to find somewhere cheap ________.
A.to live.B.to live in.C.to live on.D.living
为什么答案选A?不选B?