A. What are the disadvantages of 3D-printed homes?

I think it has a lot of problems such as some holes. ✔

B. Make these sentences into English.

(06/01/21)

-그는 자기 강아지를 자주 어루만진다.

He often pat  his dog.​ Corrected pattern=> He pets his dogs often.

-난 문에 서 있어.

I stand on door.​ Corrected pattern=>​ I am standing at the door.

-그녀는 안락의자에 앉는다.

She sits on armchair.​ Corrected pattern=>​ She sits in an armchair.