阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中所给单词的正确形式填空。

    On the first day of school, the new teacher had a look at the name list of students. How (please) she was!

    Guess what she found? After each student's name, there was a number 138,140, 154 and so on.

    "Look at these high IQ(智商) students," she thought to (she). "They've given me a wonderful class!"

    As result, the excited teacher worked (hard) with this class than with her other classes. She tried some new (teach) ways. She thought these ways would cheer the students hold their interest. She was right. It worked well! The class did much (well) than any of her other classes.

    Later, however, she found out the (true), the number after each name did not mean the IQ, the number of his or her clothing box in the school.