Are these shoes _________—No, they aren’t ________. They are __________.

Excuse me，may I have a word with Mr. Zhang？—I’m afraid he’s not_______now．He’s having a class upstairs．

Hi, David, I heard you had an accident this morning— YesLuckily, I hit the brakes in time ______ I would have been injured badly[ ]

Is Jack still asleep in class—I think he _______ be criticized if he goes on withit

The homeless dog bounced around to various homes over the years after its owner died until finally it was ____ by a kind family.