the house is tom's.the door of the house faces south合并句子

The door of Tom‘s house faces south

同上面一样把

很久没做了，不大有掌握

The house is Tom's, the door of which faces south.

The house whose door faces south is Tom's.

第一句一般用非限造性定语从句。the n of which是引导词；

第二句可用限造性定语从句。