---Is the Youth Center open to the public yet?---Yes. It ______ for almost one and a half years.
This is my beautiful school __ is near the famous library.
We wonder if our teachers _______ to our graduating party next weekend. If they______, we’ll be very happy.
—Can you tell me _____when the teacher came into the classroom? —Sorry, I don’t know.
________ weather it is! We can’t go out to have a picnic.
— does it take you to watch TV? —About forty minutes.