Что мне вставить вместо точек.Interrogative.Am I...?Are you...? Is He...?Is She...?Is it...?Are we...?Are you...?Are They...?

Am I a student?
Are you a pupil? 
Is He a teacher?
Is She a doctor?
Is it a cat or a dog?
Are we friends?
Are you tired?
Are They happy to be here?