—Have you moved into your new teaching building?---Not yet. It ________.
—Daddy, would you buy me an MP3 player if I do well in the first city-wide examination? —I _______, I promise.
I _______ have been more than six years old when the accident happened.
—Why does Sara know so much about Angkor Wat? —She _______ there,or she may have read about it.
—Excuse me.Is this the right way to the Summer Palace? —Sorry, I am not sure.But it _______ be.
You _______ be tired—you’ve only been working for an hour.