题目内容
句型转换
Whose is the package I'm weighing?
Whose is the package ________ ________?
This is the house whose windows face south.
This is the house ________ ________ ________ ________ face south.
The house, whose roof is under repair, belongs to Mr.Smith.
The house, ________ ________ ________ ________is under repair, belongs to Mr.Smith.