A. What activities do you do when it's sunny? 

→ I often go out with my mom. ​

 B. Make these sentences into English.

→보통 언제 자?

   When do you sleep usually?  -> When do you usually go to sleep?

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

→그는 파티에 오고 싶어하니?

   Does he want to go party? -> Does he want to come to the party?

=> Corrected : The sentence is corrected grammatically. 

→난 아무것도 몰랐어.

   I didn't know anything. ​​