YOU SAID:

i gotta go to school tomorrow and do a chemistry practical test which is not very fun, although i think i'm pretty prepared for it

INTO JAPANESE

明日学校に行って化学の実技試験をやらなくてはいけません。

BACK INTO ENGLISH

I have to go to school tomorrow to do a practical chemistry test.

INTO JAPANESE

明日の学校に行って、実際の化学テストをしなければなりません。

BACK INTO ENGLISH

I have to go to school tomorrow and do a real chemistry test.

INTO JAPANESE

明日学校に行き、実際の化学テストをしなければなりません。

BACK INTO ENGLISH

I have to go to school tomorrow and do a real chemistry test.