L:Yes,they are.They live in Kobe.
应为:L:Yes,they are.They are living in Kobe.
L:Well,my brother and I are living here in LA.My sister is going to school in Tokyo.She is studying the piano.
应为:Well,my brother and I are living here .My sister is going to school in Tokyo.She is study the piano.
J:Do you have any aunts and uncles?
应为:J:Do you have any aunt or uncle?
J:What are they studying?
应为:J:Where are they study?
But one aunt and uncle are traveling in the US.They are visiting me this week.
应为:But one aunt and one uncle are traveling in the US.They are going to visit me this week.
L:They are studying English,like me.
应为:They are studying in English,like me.