Great job today Celina~ Your answers are all great and interesting. You are able to share your insights well and you did great in making questions about the topic. Just don't forget to add the/a/an in some sentences. Below are examples. Overall, Keep up the great job~

You said: I can't play after 10 o'clock because teenager more young, they can't play in PC Bang or Noraebang. But when I'm adult I will pay tax.

Better way to say it: Teenagers have a curfew until 10 PM so they can't play in the PC Banf or Noraebang since they are younger. But If I'm an adult I will pay taxes.

You said: Because babies are cute and when I look me and my friends not cute.

Correct: Because babies are cute, but when I look at me and my friends were not cute.

You said: Very long time playing game.

Correct: Playing games for a long time.

You wrote: What is happiest time before you are teenager?

Correct: What was the happiest time when you were a teenager?

You said: What is worst time before your teenager?

Correct: What was the worst time when you were a teenager? 

You said: What is your dream when you are teenager?

Correct: What was your dream when you were a teenager?

You said:When you see the teenager, what do you think about the teenager?

Correct: When you see a teenager, what do you think about them?

You said: Do you like  your teenager?

Correct: Do you like your teenage life?