4．
完形填空。
When
Mary Smith was
a 1,
she wanted to be a teacher, 2 she
liked children. When she was twenty, she began teaching in a small school. She
was a good teacher, and she 3 a lot with the children in her class. They 4 her
teaching.
One
day, 5 of the girls in her class
said to her, "Miss Smith, 6 does a man's hair become grey before his beard
(胡子)does?"
Mary
laughed(笑) and answered, "I don't
know. Helen, do you know?"
"I
don't know, 7 . Miss Smith," said
Helen, "But it happened 8 my
father." The other children in the class laughed when they heard this.
Then
a boy said,
"I 9,
Miss Smith! A man's hair becomes grey 10because
it's sixteen years older than his beard."
