A.your parents know what you're doing |
B.it can cause hearing problems |
C.it makes your parents angry |
D.most of you use them improperly |
A.have your ears specially trained |
B.often wear earplugs and clean out the earwax |
C.take good care of your ears |
D.choose what you listen to carefully |
A.has become impatient |
B.speaks in a loud voice |
C.is slow in understanding |
D.asks for a lot of repetition |