A. My favorite singer is IU and BTS. I like Block B, too. 

And my favorite member of my family is my mother. Because she is so nice to me.​ (Correct) 

B. (04/20/21)

-얄미도 같이 갈 수 있을까?

-글쎄, 요가 수업 가야 할 텐데.내가 전화 해볼게.

-좋아, 그때 보자.

-Can Yalmi do together? --> Can Yalmi come with you?​

-Well, she should go yoga class. I'll call her. --> Well.. She has to go to a yoga lesson. But I'll try to call her.

=> Corrected: The sentences are corrected grammatically.​

-Okay. See you. (Correct)​