Before the concert I was really exciting . I could n't sleep well and I did n't know what I had to do in the concert .
Before the concert I was really excited . I could n't sleep well and I did n't know what I had to do at the concert .
Before the concert I was really excited . I could n't sleep well and I did n't know what I had to do at the concert .
حسن القواعد النحوية لهذه الجملة: Before the concert I was really exciting . I could n't sleep well and I did n't know what I had to do in the concert . خرج: