1)What will you remember the most about this class?
  Because this class was a sociable atmosphere, I could study English very pleasantly.

2)How do you think your English has improved as a result of this class?
   I think that I has acquired grammatical powers by studying English textbook.

3)Do you think you will use English in the future? Why or why not?
    Yes, I do. If I go abroad in the future, I will use English.