1/ has/ is 2.am/was 3.have/are 4. were / have 5.will are / will have 6. are
Обычно это двухбуквенный код по классификации в Корее(Северной)
Как K-Korean N-north.
А)drove
B)has just happened
C)heard
D)wasn't
E)did
F)have not eaten
G)has been
H)destroyed
I)has phoned
J)has recycled, didn't do.
Уверен не полностью