During the teenage __( 21 )__, many people can sometimes be __( 22 )__ to talk to. They may not like to talk about their work at school. This is a normal __( 23 )___at this age, though it can be very hard for their __( 24 )___to understand. Teenagers are trying to become adults.
 Parents should do __( 25 )___best to talk to their son or daughter about school, work and future plans __( 26 )__ shouldn’t push them to talk if they don’t want to. Parents should watch for __( 27 )__ signs: some young people are trying to be adults may experiment with drug, alcohol, or smoking. These are not good for their __( 28 )__ and for their future. Parents should know these signs and help them out.
Television programs can be important for their lives, __( 29 )__ . Parents should know what television programs their teenage children are watching. They shouldn’t stop them from watching TV but guide them to __( 30 )__ good programs.
21: A. days    B. month    C.  years     D. week
22: A. difficultly    B. difficult    C. difficulties    D. difficulty
23: A. develop    B. developed    C. developing    D. development
24: A. mother    B. father    C. teacher    D. parents
25: A. their    B. my    C. her    D. his
26: A. but     B. so     C. and     D. or
27: A. dangerous     B. to danger    C. danger    D. dangerously 
28: A. healthy     B. healthily    C. health     D. strong 
29: A. neither    B. so     C. too     D. either 
30: A. watching     B. to watch     C. watch     D. watches
Chon va giai thich luon giup mk nhe, mk se cham diem cao a