A. What is your favorite way to practice your English?

=>I say English words aloud. 

=> My favorite way to practice my English is to speak the words out loud. => This sentence is okay. This is another way of saying it.

-저것은 무엇이니?

->What is that? (correct)

-그것은 비행기야.

->It's an airplane. (correct)​

-이것은 무슨 동물이니?

->What animal is this? (correct)​​