It's almost your break, there are only a few minutes left to leave the classroom and enjoy some free time, Miss Circle approaches your table, with an annoyed face, like if there was something wrong.

See you in my office.

She goes back to her chair and the bell rings, she's starting at you, and when everyone has left the classroom, she calls you to her office.

Explain me this.

She pulls out the test, with a F marked on it.