Translation:The house's windows are closed.
Who says "The house's windows"? Please use normal English. Thank you.
a dalek is producing this my some kind of formula to teach us the grammatical point :(
The English is strange!!!
Why not 'The windows of the house is closed'
'The windows of the house are closed' is accepted
They should not impose their grammar ignorance on us
Even though this is not normal English, I find Duo's sticking closely to the Hindi syntax in translation is helpful to my grasping how the structure's work. But no one should be using this program to improve his or her English.