–Where are the students? How could they keep us waiting for so long? –They started an hour ago and they ____ be here in fifteen minutes, I think.
—May I remind you that a Mr. Wang is waiting outside, sir? —Oh, that’s right. Iabout it.
—Did you enjoy your holiday? —Yes, it’s the best holiday Ithese years.
Just look at the room. My roommate ____ up his clothes.
I ____ to send him a telegram to congratulate him on his marriage, but I ____ it.
—It’s a long time since we met last. Haven’t you graduated from college yet? —_____. I ______ English for four years in Nanjing University.