The teacher asked me.... I had finished my project. a) that б) what в) unless г ) if

The teacher asked me if I had finished my project.

Учитель спросил меня, закончил ли я свой проект.

Did the teacher ask me if I had finished my project?

Who asked me if I had finished my project?

What did the teacher ask me?

Did the teacher or did the lady ask me if I had finished my project?

Did the teacher ask me or him if I had finished my project?

Did the teacher ask me if I or she had finished my project?

Did the teacher ask me if I had finished my project or his project?

The teacher asked me if I had finished my project, did not he?