---I have decided to _________my bad habit of sleeping in class.---That's good news. I hope you can do it this time.
There are apples in the basket, but there aren't oranges.
Mary and I _________ friends.
There _______ a pen and some pencils on the desk.
.--- Is your sister a factory worker or a doctor? --- ________________.
--------- Where are my pens? --------- _________________.