______ exciting news it is! Our school football team won the first prize..
---It seems that Mr. Wu is standing there. ---It ________ be him because he called me from Canada just now.
---Mr Johnson asked me to remind you of the meeting this afternoon. Don’t forget it!---OK, I _________.
Can you tell me _____?
Please don’t smoke here. The sign _______ “No smoking.”
A smile costs ______, but gives so much.