1. 根据句意及首字母提示补全单词

1. （1） He is healthy because he has a good d and he exercises every day．

3. （2） --What's the p of China?   

     --About 1.3 billion．

5. （3） He is s for his lost dog in the forest．

7. （4） Here is only one umbrella．You two can s it．

9. （5） He went to London w her，so she had to stay there．