Great job today Chester~ You answered the questions well and shared your experiences. There are few grammar corrections, especially with verb tenses and also prepositions. Below are the samples. overall, You were able to share your insights and opinions confidently. Keep up the great job~

You said: found alcohol at the first time...

Correct: found alcohol for the first time...

You said: I start drinking when I was 20.

Better way: I started drinking when I was 20.

You said: Some Korean people are drinking in the park and Han River,too.

Better way: Some Koreans drink in the park and the Han River, too.

You said: Nobody drink when they walk.

Correct: Nobody drinks while walking.

Better way: You can't see anyone drinking alcoholic beverages while walking.

You said: Famous celebrities did it and they cannot come anymore.

Correct: Famous celebrities did it, so they cannot go back to work anymore.

Better way: Famous celebrities did it, so they are canceled by society.

You said: They make some accident.

Correct: They can cause some accidents.

You said: Compared to other countries I think it's safe.

Correct: Compared to other countries I think it's safer.

You said: I cannot measure where I am.

Correct: I cannot control it.

You said: I over my limitation a little bit.

Correct: I exceeded my limitation a little bit.