1. (2017九上·阜宁期中) 根据句意及所给的中文，写出恰当单词，使句子的意思完整、正确。

1. （1） Red and Black are a good ．(搭配）

3. （2） You should choose your hobby to the time you have．(根据)

5. （3） There is no that you'll be successful in the future．(怀疑)

7. （4） She is with herself in her study．(严厉的)

9. （5） Some people decided to donate their bodies for medical after the death．(研究)