Millions of youngsters across Europe could suffer ____ hearing loss after five years if they listen to MP3 players at too high a volume for more than five hours a week, EU scientists warned.

——Oh, I need help, doctor. Things aren't going all that well.——Like what？Can you be more _____ ？

 His failure made his father think him a ___________ boy.

 Be ___________ ---you can’t expect me to finish all this work in so little time.

 John is very _____---if he promises to do something he’ll do it.