--Have you found any information about the famous people you can use for the report? ---Not yet. I’ll search some on the Internet.
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? --------- _________________.