办公室的后面有一个沙发.there is a sofa ___ ____ ____ ____ the office.

问题描述:

办公室的后面有一个沙发.there is a sofa ___ ____ ____ ____ the office.

There is a sofaatthebackofthe office.atthebackof 和 behind 一样吗嗯,都是指在~~~~~~后面