His homework______, but it _____.
.Can you still remember the days_________we spent together in Chongqing last summer?
—I’m going to the supermarket in the downtown of city. —_______you’re there, can you get me some coffee?
If Bob’s wife won’t agree to sign the documents,_________.
Shortly after the traffic accident, two _______police were sent to the spot to keep order.
_____leaves the office last must close all the windows and the door.