— You           your ideas at the meeting in a different way. --- Thank you, but I was too angry then.

English is a language that many people around the world _______not speak perfectly but _________at least understand．

 — What does the sign over there say? — No person _________ bring drinks into the student computer room. 

________you play the violin?

— There'ssomeone knocking on the door. Who _____it be?— It must be Mary. She promised to be here at 8：00.