Mr. Zhang is the best music teacher in our school, but he has hurt his left foot and cannot ________tomorrow’s concert.
If you’re a poor driver, you should not_______ at night.
The snow is so deep. We can hardly get out of the house, ______?
He, along with his sister, ______ how serious the situation is.
—These things are not useful to anyone, are they? —______. We can throw them away.
—My sister took a photo with Jay Chou last year. —______.