Hello there Woojung,

Thank you for submitting your homework. Please take notes of my corrections..

See you Tomorrow.^__^

****Corrections****

you could see a orange buliding from my house forward.

Correct: You could see an orange building in front of my house.

**Always capitalize the first letter of a sentence.
** Use "an" instead of 'a' when the next word starts with a vowel sound.
** Use "in front" to mean further forward than someone or something else.

so you walk to there about 40 steps then you are arrived to my school

Correct: It takes 40 steps going to my school on foot.

**** Always capitalize the first letter of a sentence.
** Be careful in your sentence construction.