It is the first day I came here. I attend interview/exams. I'm very excited, because I don't know whether she will ask what. It makes me excited to insomnia.
It was the first day I came here. I came to attend the interview. I'm so excited because I do not know what to ask. It makes me so excited I could not sleep.
It is the first day that I came here. I come to interview to attend class. I feel very excited, because I don't know the teacher will ask? It makes me excited, I couldn't sleep.