HOMEWORK:

A. How do you spend your free time?

I read books in my free time. ✔

B. Make these sentences into English.

(11/30/21)

-나는 케이크 한 조각을 원해요. = I want a piece of cake. ✔

-너 뭐 하고 있니? = What are you doing? ✔

-내 동생, 심지한테 노래 불러 주고 있어. = I singing for my little sister. -> I'm singing for my sister, Simji.

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