When I was nine years old, I became acquainted with the sport because my friends belonged to a baseball team, and they invited me on it.

From then on, I have played baseball for seven years.

However I did not like the sports until I wasbecame an elementary school student, because the team was so strict, sothat I could not enjoy it.

However w When I was ain junior high school student, I could, I was able to play baseball freely, and my skills developed further.

I thoughtink it is important to do something, while that you enjoy doing.

When I was nine years old, I became acquajointed with because my friends belonged to a baseball team, and they invited me.

FromAfter thenat, I have played baseball for seven years.

When I was nine years old, I became acquainted with because my friends because they belonged to a baseball team, and they invited me.

If you're talking in plural, then it's 'They' not 'He'.

However I did not like the sports until I was an elementary school student, because the team was so strict, so I could not enjoy.

'An' not 'A'. When the next word begins with a vowel, then you have to use 'An'. Also, it's not 'the sports'. It is 'sports' in English.

I thought it iwas important to do something, while enjoying.

When I was nine years old, I became acquainted withlearned to play baseball because my friends belonged to a baseball team, and they invited me to play.

From then on, I have played baseball for seven years.

However I did not like the sports until I was ain elementary school student, because the team was so strict, so I could not enjoy it.

However when I was a junior in high school student, I could play baseball freely, and my skill develops improved.

I thoughtink it is important to do something, while enjoying it.