题目内容：

A teacher can be any age. Just ask Sandy. (1)She was ______ ten when she started ______.

How did Sandy get the job? It was not easy. She wanted to help children who cannot hear. But the school had never had such a young helper. Could Sandy do it?

First, Sandy learned to sign. Signing is a way of talking with your hands. (2)Soon it was easy for Sandy to talk to the children. So the school let her help. Now Sandy visits the school almost every day. The children love their young teacher. She is their friend.　

1.在（1）句的空白处填入两个单词，使句意完整、上下文通顺。

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2.将第（2）句译成汉语。

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3.找出与“She’d like to help the deaf (聋的)children. ”意思相近的句子。

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4.回答问题：What is “signing”?

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5.找出文章的主题句。

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