71.  She was concentrating on a book, which I guessed had something to do with Chinese history.

72.  I asked her, " excuse me, is this classroom for Chinese history? "

73.  She nodded, telling me that I didn't enter a wrong classroom.

74.  Then she set aside her book, turned her face to me, which I consider a friendly sign to allow me to ask questions.

75.  She smiled at me and nodded again, like I hadn't interrupted her, then turned back to her book.

76.  She was wearing a dark green dress, showing her white skin.

77.  She looked quiet, exactly typical girl studying liberal arts.

78.  She must be a student majoring in history, I was pretty sure.

79.  Then on the class, she had excellent performance.

80.  She could nearly answer all the questions that the professor raised.