Oh, dear! The key ________ the door _________ in the room .
The car isexpensivehe cannot buy it.
I remember Susan left _______ a very cold morning of January.
He is only _______ boy. He isn’t old enough to take care of himself.
--- ____ do you study for tests? ---I study math by ____ lots of exercises.
Let’s take ______ photo! Everyone, cheese!