When and where were you born? I was born _______ a cold morning of 1999______ Dandong .
My cousin has a small garden ______ many beautiful flowers.
Tim, thank you_______ your eraser.
--Is your ball the door ? --No, it’s the chair.
There is an air conditioner _______ the two windows in the room.
Mary sits in front of Kate, so Kate is _____ Mary.