There is a window ... John's bed. A) next to B) on C) between

There is a window next to John\'s bed. 

Рядом с кроватью Джона есть окно.

Is there a window next to John\'s bed?

Is there a window or a door next to John\'s bed?

Where is a window?

What is there next to John\'s bed?

There is a window next to John\'s bed, isn\'t there?