He lives in a house, whose window/windows faces/face south.
注:也可以把whose window/window改成the window/window of which或of which the window/windows;
如果是windows,则用face,如果是window,则用faces.
He lives in a house, whose window/windows faces/face south.
注:也可以把whose window/window改成the window/window of which或of which the window/windows;
如果是windows,则用face,如果是window,则用faces.