HOMEWORK:

A. Do you save enough money? Why or why not?

I save my money. Because I rarely buy something. => Corrected: The sentence is corrected grammatically.       

(09/09/21)

-정말?함께 안으로 들어가자. = Really? Let`s go in. -> Really? Let's go to inside together.

-그래. 나 되게 급해. = Yes. I need to hurry. -> OK. I'm in a hurry.

=> Another way: Your sentences are okay and these are other ways of saying them.

-실례합니다, 원씨 부인화장실이 어디 인가요? = Excuse me.where is Mrs.Won`s toilet? -> Excuse me, Mrs. Won. Where's the restroom?

=> Your sentence has a correct grammatical structure, but this has the correct usage/ expression.