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.
The good thing about today’s children is that they can_____ very easily to new environments.
As a teacher, it is my _________ to make the students devoted to their study.
The research lacksevidence,and therefore,its conclusions are doubtful.
A good friend should be kind and helpful. _________ is my mother.
Though he is ill,he has not quit.