—What are you doing? —I'm the key to the door.A. finding out B. looking after C. looking for
-How many _____ are there in the box?-Oh, there’re four.
We call Sam Smith .
-_____ Tom’s birthday June 3rd?-Yes, it is.
-Are the keys yours?-No, they aren’t _____. I think they’re Jason’s.
-Can I help you?-I want _____ egg and two hamburgers, please.