题目内容：

根据句意和首字母，填入适当单词。（每小题1分，共5分）

1.Look at the cat. It’s u_________ the chair.

2.I have a set of k___________.

3.They are not her books. They are m___________.

4.Do you k____________ the name of the book?

5. I have two w___________ . And they can tell me the time.