Shortly after the accident, two___police were sent to the spot to keep order.
--Hello, is Mr. Smith at home?---Sorry, but he _____.
--Don't be so disappointed.I’m sure that you can do better in the next exam. --Yes, but I ____ this time.
What’s the best way __ learning English?
The ___ people must continue what the dead didn't finish.
--I’m sorry, I am too busy to help you, but my brother can.I’ve told him to.---______.