Автор - anastaslazutina
Ответ:
The purposes of modern buildings differ widely.
How does the purpose of modern buildings differ?
What differs when it comes to modern buildings?
The purpose of which buildings differs widely?
Our activities mostly take place indoors.
Where do our activities take place?
What takes place indoors?
Whose activities take place indoors?
My friend studies in our college.
Who studies in our college?
Where does my friend study?
Why does my friend go to our college?
Whose friend studies in our college?