1. 根据句意及首字母提示完成单词。

1. （1） An e is a person with special knowledge which comes from experience or training.

3. （2） The young man borrowed a large a of money to buy the new house.

5. （3） A true friendship r trust, support and equality(平等).

7. （4） The medicine has a good e on me and I feel much better.

9. （5） According to a study, to keep f, you should walk at least 10,000 steps every day.