Watching TV is a good way to relax and increase knowledge. But if you watch too much,it'll waste time and hurt eyes.You can watch TV for a short time at weekends.Also,you'd watch news during weekdays.
Watching TV can increase knowledge but appropriate to watch something, usually watch news programs.
Li received a letter from pen pal Tom, talking about his recent troubles, he and his parents fighting, because his parents are not allowed to watch TV, he thinks his parents do not
Dear Tom,
I'm very happy to received your letter. but I m so sorry to hear that your have troubles. i think parents always try their best to turn you on the right pathway, don't qurrel with them,