Excuse me ,sir. You ______ open the door before the train stops.
-How about going on a school trip this weekend?-That sounds _____. I like going outside.
-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.