1. 根据句意及首字母或汉语提示完成单词。

1. （1） Don't worry about your boy too much. His temperature will drop back to n if he takes this medicine.

3. （2） He's poor at spelling.  He made a lot of spelling m in his writing.

5. （3） —Why are you still here? The movie was over fifteen minutes ago.
   

   —Oh, I am looking for my （钱包）．
   

7. （4） Liu Wei is a disabled boy.  He learned the piano by （他自己）．

9. （5） Good habits are good for the development of us （青少年）．