1. (2021九上·温州期中) 用方框中所给单词的适当形式填空。每词限用一次。

angry,  truth,  burn,  our,  twelve

1. （1） The ancient tower in the city dates from the  century.
3. （2） The police asked some people around some questions to find out the  of the accident.
5. （3） We often ask  how we can do more for our country.
7. （4） Betty tried to cook some food while staying at home alone, but she  it.
9. （5） Mr. Smith became much  after he found some of his students failed the exam.