I think you mean Interior. Interior means something that is within; inside.
A sentence example would be: He observed the mansion's interior with awe.
I hope this helped.
Thank you,
Otaku
I think it is answer D. All three areas of the grammar systemlong—phonology, morphology, and syntaxlong—will be covered in this textbook.
it is c because the empire estate building has 102 floors
your answer would be B. themselves