1. 根据句意及首字母提示完成单词

1. （1） One dollar is ten c.
   

3. （2） Mary received many p on her ninth birthday.
   

5. （3） Can't you see the words “No Smoking” on the s?
   

7. （4） The little boy is（数数）.
   

9. （5） There are two（套）of keys on the table.