I have been enjoying in every weekends.

Greetings!^^

Once again, I appreciate your sending your homework.

Catch you in class, Mr. [이름].~~

Cheers!

Jean

Many days are passing by since I start to study english in power english.

>> It has been a couple of weeks since I started studying English at Power English.

 during that time, I learned a lot and enjoyed english,too.

>> During that time, I learned a lot and enjoyed English, too.
 

Nowadays, I am living well working for money and so on.
 >> Nowadays, I am busy with work and other activities. I can say that I am living well.

I have a busy days nowadays.
>> I have a busy schedule nowadays.

>> OR: I am busy these days.

Today, on saturday, My younger brother visited me..
 >> My younger brother visited me last Saturday.

I am busy now, sorry. Thanks for reading.

>> CORRECT