Question

根据文段意思，用括号中所给词的适当形式填空。

When Mary Smith was a student, she wanted to be a teacher, because she liked ________ (child) . When she ________ (be) twenty, she began teaching in a small school . She was a good teacher, and she ________ (learn) a lot with the children in ________ (she) class . They ________ (enjoy) her teaching . One day one of the ________ (girl) in her class said to her, “Miss Smith, why does a man's hair become grey before his beard (胡子) does?” Mary laughed and ________ (answer) , “I don't know. Helen, do you know?” “I don't know, either, Miss Smith,” said Helen, “but it happened to ________ (I) father. ” The other children in the class laughed when they ________ (hear) this . Then a boy said , “I know , Miss Smith！ A man's hair becomes grey first because it's sixteen years ________ (old) than his beard. ”

Answer 1

答案：
解析：

children, was, learned, her, enjoyed, girls , answered , my ,heard, older